American DyestuffReporter

Index toVolume XIV

January 12, 1925, to December 28, 1925, Inclusive Indexed by Subjects and Authors

PeceP'fn

AciuifSa

jjttttle®' *'[See j»Acetate

Pan , ....Pan , . . . . ,

A r f e » ' ^rr/t«Mttiiig -■■

Adiiea'tes IB W® A/ter-Treawent a Allaliei & s« '

scopic F ro m um io tk

American[See a«li

Acalysis of \Arrmt Repcfis « Applicaiioa ol iiy<: Artiicia) Silk

[See alw Artificial Silk and Artificial Silk Indi Artificial Silk: Tk ^rtikcial Silk; Tk Artificial Silk; 7 k Artificial Silks: Cm Artificial Silk: ITk

scfierli/i^l . . . . . Artiiickl Silk Waste Association and Its Azo Dves: The Red

[See under

Bleaching Agtnt; St Bleaching, ftreing a

The (Amng^onj Bhching of Artifire Bleaching of Textiles Bleaching: Producing Bleach; Scientific Wa Blue Shades with A q Bluing- L’neven . . . .

Causli

December ’2.S, 1925 AMERICAN DYESTUFF REPORTER 869

INDEX BY SUBJECTS

Subject PageAcetate Silk

[See also under “Artificial Silk” and “Rayon”]Acetate Silk: Dyeing (Mullin)

[See under “Dyeing”]Acetate Silk—Its Dves and Their Application (Mullin) :

Part I ............................................! ............................................................. 747Part II ............................................................................................................. 787Part III ........................................................................................................... 849

Acetate Silk: Notes on the Dyeing of (March)....................................... 37Acetate Silk: Recent 19evelopments in the Coloring of (Davies).......... 887A. C. S. Dye Division: Abstracts of Papers Presented at Baltimore

Meeting ....................................................................................................... 261Adhesives in Dyeing Cotton and Making It Waterproof (Nelson). . . 585After-Treatment and Fastness to Light......................................................... 668Alkalies (Caustic Soda) on Raven Silks and of Their Relative Hygro­

scopic Properties: Quantitative Studies of the Action of (Johnson) 866Alum in the Beater Coloring of Sized Paper (Holmes).......................... 129American Association of Textile Chemists and Colorists

[See under “Proceedings”]Analysis of Dye Mixtures by Means ot' Titanous Chloride (Holmes).. 415Annual Reports of Members of German Dye Cartel................................. 543Application of Hydrogen Ion Determination to Textile Work (Scott).. 145 Artificial Silk

[See also under “Rayon”]Artificial Silk and the Textile Industry (Esselen).................................... 713Artificial Silk Industry: The Chemical Foundations of (Houser)....... 690Artificial Silk: The Dyeing of (James)....................................................... 358Artificial Silk: The Identification of Types of (Johnson)...................... 105Artificial Silk: The Manufacture and Use of (Rose)............. .............. 355Artificial Silks: Composition and Properties of Various (Hibbert) .. . . 41Artificial Silk: The Viscose Process for the Manufac^^ure of (Mit-

scherling) ................................... 54Artiiicial Silk Waste: The Bleaching of (Kosche)................................... 650Association and Its Research Plans: The (Olney).................................. 485Azo Dyes: The Reduction Products of (Holmes)

[See under “Reduction”]Bleaching Agent: Sodium Peroxide as a ....................................................... 521Bleaching, Dyeing and Finishing of Cotton Fabrics Containing Rayon:

The (Arrington) ........................................................................................ 726Bleaching of Artificial Silk Waste: The (Kosche)................................. 650Bleaching of Textiles with Chlorine and Its Compounds: The (Baker) 431Bleaching: Producing Dyed Shades Fast to............................................... 665Bleach: Scientific Washing—Part IX (Guernsey)......................................... 663Blue Shades with Naphthol AS (Rath)........................................................... 791Bluing* Uneven ................................................................................................ 765Capitalizing on Color (Adler)......................................... ...............................Caustic for Mercerizing and Its Recovery (Goldthwait)..........................Caustic Soda by Electrolysis...........................................................................Cellulose Acetate Silk—Celanese (Platt)......................................................Chemical Advisory Committee: Initial Meeting o f...................................Chemical Constitution and Fastness of a Dyestuff (Mayer)......................Chemical Equipment Exhibition: The................................................... 171,Chemical Exposition: The...................... ...................... ,................................Chemical Foundation: Government Again Loses Suit Against..............Chemical Foundations of the Artificial Silk Industry: The (H ouser)...Chemical Industries Dinner: The........................................... ..Chemical Warfare Service: What the Chemical Industry of the Coun­

try Means to the (Fries).........................._..............................................Chemistry at the Size Kettle (Seydel and Reiners).. . . . . . . . . . . . . . . . .Chlorine and Its Compounds: The Bleaching of Textiles with (Baker)Chromium on Cotton or Wool: Iron and (Nelson)..........................'Classification of Raw Silk by Means of Mechanical Tests: The

(Moore) :Part I ...............................................................................................................Part II .............................................................................................................Part III ...........................................................................................................Part IV ........................................ ............... ..................................................

Colored Goods and the Laundry (JohiisorO................................................Colors by Geometry: Seeing (I^ttrfce) ............Composition and Properties of Various Artificial Silks, (Hibbert)..........Control of Hydrosulphite Vats: The (Lauterbach)....................................Co operative Textile Research (Olney).........................................................CORRESPONDENCE:

Guaranteeing Fastness ........................................................................... IbO,Credit Where Credit Is Due..................................................... ..

Cotton and Wool: Standards for Testing Fastness Properties oi Dye­ings on (Kertess) ............................................... V* ........ 'Cotton: Effect of Naphtha Sulphonic Acid in Desizing of (Victoroff). .

Cotton Fabrics and Related Processes: Printing (H irst)...............a:*.*;'Cotton Fabrics Containing Rayon: The Bleaching, Dyeing and Finish­

ing of (Arrington) ** * * * *..........Cotton Fiber; Recent Developments in the Chemistry of the (Tagliani)Cotton Finishing and Materials (Palmer)................V VW V * N .............Cotton Knit Goods: The Preparation and Dyeing of (Roberts)............Cotton Piece Goods: The Merccrization of (Chase)..................................Cotton Skein Yarn: Dyeing (Matos)..........................................................Cotton Warps; The Dyeing of ( M a t o s ) . . . . . . .......... .................................Cuprammonium Silk and the Artificial Silk Industry (Dicks)..................Depreciation of the German Currency and the Dawes Plan; The

(Chapin) ........................V ' ’ ' ‘ ‘ ' V-i>-V ' ....................................Design of Chemical Plants; Safety m the (,Kiler) . . . . . . . . . . . . . .Desiring of Cotton: Effect of Naphtha Sulphonic Acid in (\ictoroff) . . Development of Ice Colors: The t Rosc)Dye Census Shows Drop in Production;Dyehouse Construction (Bascom)..........Dyeing Acetate Silk (Mullin):

Part I

New.

Part II Part III Part Part

IVV

Part VI Part VII Part VIII

819 71

552 49

402 347 248 67U 230 690 67 i

71928.243116

551579619689681

141

457395

231267385815151726593290781

2166780346

325523815

1763225317321^2 3279315.3 50381f-20

Subject PagePart IX .......................................................................................................... 462Part X ............................................................................................................ 482Part XI .......................................................................................................... 517Part XII ........................................................................................................ 554Part XIII ...................................................................................................... 588Part XIV ...................................................................................................... 622Part XV .......................................................................................................... 653Part XVI ...................................................................................................... 694

Dyeing and Finishing of Leather: The (R o g e r s) ....; .......................... 82Dyeing Cotton and Making It Waterproof: Adhesives in (N elson ).... 585Dyeing Cotton Skein Yarn (Matos)................................................................. 667Dyeing: Further Notes on the Science of (Herrmann).......................... 65vDyeing of Artificial Silk: The (James)....................................................... 558Dyeing of Cotton Waips: The (Matos).............. ........................................ 803Dyeing of Three Fiber Hosiery: The (Unterweiser)............................... 28Dyeing. Printing and Allied Industries: Surveys of Recent Progress

in (Huebner) ............................................................ 181Dyeing: The Franklin Process Method cf—A Description and Discus­

sion (Wingate) ............................................................................ .Dye Lakes: Notes on the Identification of Phosphotungstic-Basac

(Holmes) ........................................................................ _.......................... 48iDye Mixtures: Analysis of, by Means of Titanous Chloride (Holmes).. 415Dye Production and Sales Show Heavy Drop: 1924............................... 247Dyes Imported

[See "Foreign”]Dyestuffs in Analytical Chemistry: The Use of (Atack).......................... 766DYESTUFF TABLES—5, 68, 96, 126, 162, 195, 232, 264, 304, 340,

372, 407, 438, 474, 507, 544, 572, 606, 634, 674, 706, 734, 772, 810,838, 894

EDITORIALS:Chemical Advisory Committee................................................................. 31

Dye Sales Not a Business Barometer..................................................... 31Guaranteeing Fast Dyes................................................................................. 61A Pioneer in the Fight for Color Standardization............................... 62Domestic Competition and Dyestuff Prices............................................. 91Concerning “Fastness Guarantees” ............................................................. 91Fire or Smoke................................................................................................ 121More Anent Fastness Guarantees............................................................... 122(Cheney on Fastness Guarantees................................................................. 159Silk Weighting .............................................................................................. 160Plain Talk on Competition.......................................................................... 192The Responsibility for Guaranteed Fastness........................................... 193The Chemical Foundation Suit................................................................... 229Careless and Harmful Publicity................................................................. 266Senator Borah Talks on Alien Property................................................... 267More Anen: Competition.............................................................................. 299The Dyestuff Industry and the Chemical Exposition............................ 300Industrial Research ............... .................................................................... 333Our Exclusive Inefficiency....................... ................................................... 334With Emphasis on the Good Spots............................................................. 369Checking Up Careless Mailing.................................................................. 369Smashing a Trade Evil.................................................. 401The New Chemical Advisory Committee..................................................... 401Graft ....................................... ........................................................................ 435Within the Law, but Odorous..................................................................... 435Midsummer—A Time for Retrospect and Forward Planning................ 467Justice in Dyestuff Appraising................................................................... 505Co-operation in the Silk Trade................................................................... 505American Dyes Abroad............................................................................... 541The Fast Fabric Discussion...................................................................... 565Regulating War Chemicals.......................................................................... 565A Lesson in Research Finance................................................................... 601“More Chemistry Than Law in Business” ............................................. 601Our Lengthening Dye Lists....................................................................... 631Business Is Better........................................................................................ 631Co-operative Textile Research..................................................................... 669The General Dyestuff Corporation............................................................... 670The Textile Alliance, Inc., as a Research Patron................................. 669Sifting Out the Facts........................... 703Misleading Claims for Imported Dyestuffs in Advertisements of Fast-

(2olor Fabrics ............................................................................................ 736Fast Fabric Standardization in Sight....................................................... 736The Delusion of Dye Economy................................................................... 769A Distinguished Exponent of Fast Fabrics............................................... 805“A Fascinating Study” ................................................................................. 805The Undertone of the Annual Meeting..................................................... 835Rayon Selection from the Dyer’s Viewpoint........................................... 835(Chemical Education—A Factor in Industrial Advancement.................. 891Increasing the Dyer’s Problems................................................................... 891

Effect of Alkalies on Wool: Importance of pH (Chapin)...................... 859Effect of Naphtha Sulphonic Acid in Desizing of Cotton (VictoroffU • 815 Experiences with Micro-Organisms and Insects in Textile Work (Jolm-

son) .............................................................................................................. 10Exploding the German i^ye Myth with Facts............................................. 144Fading of Colored Material by Daylight and Artificial Light: The

(Luckiesh and Taylor)............................................................................. 613Fading Tests: A New Lamp for (Appel)................................................... 882Fast to Bleaching: Producing Dyed Shades............................................... 665Fastness of Dyed Colors to Light; Testing the (Gordon)...................... 488Fastness of Dyed Materials to Light: Suggestions for a Simple Stand­

ard for Testing (Deady).................. .•••.*.............................................. 878Fastness of a Dyestuff: Chemital Constitution and (Mayer)................ 347Fastness of Colors for Printing Fabrics: The (L'chtenstein)................ 533Fastness Properties of Dyeings on Cotton and Wool: .Standards for

Testing (Kertess) ....................................................................................../385Fastness Tests for Dyed Wool: Supplementary Report (A A. T. C. C.)' 225 Fastness to Acids and Alkalies: Standard Tests for, and Selection of

Standards ......................................................................................................... 9Fastness to Light: After-Treatment and....................................................... 668Fastness to I.ight: Report cf the Sub-Committee on (A. A, T. C. C .). . 853 Fas r- ss o Perspiration; Report of the Sub-Committee on (A. A. T.

C. C.) .......................................................................................................... 858Fps'^ess to Washing: Standard Tests for (Scott—Fifth Annual Meet­

ing A. A. T. C. C .)................................................................................. 856Finished Goods: Removal of Spots and Stains on (Johnson)................664

S7() AMERICAN DYESTUFF REPORTER Vol. XIV, No. 22

Sul)ject l‘ageFinishing and Malerials: Colton (Palmer)................................................ 290Finishing of Silks: The (Berman)................................................................. 292Finishing: Woolen and Worsted (Stewart)................................................ 285foreign Dyes Imported Through New York and Other Ports:

December ......................................................................................................... 6AJanuary ........................................................................................................... 113February ........................................................................................ 187March ............................................................................................................... 249April ............................................................................................................... 335May ................................................................................................................... 380June ................................................................................................................. 511.July .................................................................................................................. 56/August ............................................................................................................. 638September ....................................................................................................... ()99October ........................................................................................................... 797November ....................................................................................................... 8-11

Foreign Silks: Reduced Demand for........................................... 731Fr.anklin Process Method of Dyeing—A Description and Discussion.

The (Wingate) ......................................................................................... 222Further Notes on the Science of Dyeing (Herrmann).............................. 659Gas Singeing of Cotton Pile Fabrics (Travis)................................................... 1General Dyestuff Takes Over Grasselli Sales............................................. 672German Chemical Merger Reported Complete........................................... 704German Dye Cartel: Annual Reports of Members.................................. 543German Dye Trade Shown by Export Figures: Drop in ............................ 566German Dye Trust: The New....................................................................... 737Grasselli Acts to • Protect Dye Patent Rights............................................. 402Highs and Lows in a Busy Chemist’s Life:

Part I ............................................................................................................. 193Part II ........................................................................................................... 219Part III ......................................................................................................... 263Part IV .......................................................................................................... 370Part V ............................................................................................................ 411Part VI .................................................................................................. 437Part VII .................................................................................................. 468Part VIII .................................................................................................. 506

Hosiery Dyehouse: Technical Control in the Modern Silk (Zisman).. 207Hosiery: Multi-Color Effects on (Zens)..................................................... 562Hosiery: Roughness of Dyed Silk (Bick)................................................... 717Hosiery: The Dyeing of Three Fiber (Lhiterweiser).............................. 28Hydrogen Ion Concentration—Its Relation to Problems of Dyeing

(Scott) ............... 862Hydrogen Ion Determination to Textile Work: Application of (Scott) 145 Hydrosulphite Vats: The Control of (Lauterbach).................................... 457Ice Colors: Preparation of, for Direct Printing (Gotthardt).................. 75Ice Colors: The Development of (Rose)................................................... 17Identification of Types of Artificial Silk: The (Johnson).......................... 105Imports and Exj^orts of American Dyes for 1923 and 1924......................... 141Indigo: The Reduction of Vat Colors. Including (Mackenzie)..................... 557Indigosol () and Other Indigosol Colors (Kuhl)......................................... 25INQUIRY DEPARTMENT:

Dyeing and Finishing Fleece..................................................................... 128Micro-Organisms on Cotton.......................................................................... 128Removing Moire from Bengaline............................................................. 128Burning Out Artificial Silk on Mixed Goods........................................... 231Dyeing India and China Wools................................................................. 232Identification of Sized J u te ............................................ 738Carbonizing Artificial Silk Pile Fabrics................................................... 738Specky Prints .................................................................................................. 739

Iron and Chromium on Cotton or Wool (Nelson)................................. 16sKnit Goods; The Preparation and Dyeing of Cotton (Roberts)............. 781Knitted Goods; Microscopical Vision in the Study of (Johnson)......... 209Knitting Arts Exhibi'ion: The.................................................................32, 268Lakes: Notes on the Identification of Phosphotungstic-Basic Dye

(Holmes) ............................................................................................ 481Laundry: Colored Goods and (Johnson)...................................................... 681Leather: The Dveing and Finishing of (Rogers)............................Light: The Fading of Colored Material by Daylight and Artificial

(Luckiesh and Taylor).............................................................................. 613Logwood: Some Applications of (Lesser)................................................... 755Lowell Te.xtile School Graduation............................................ 436Lustron: The Use of as a Decorative Fiber (Little)................................. 51Manufacture and Use of Artificial Silk: The (Rose).............................. 355MEN OF MARK IN THE FIELD OF DYES AND THEIR

APPLICATION:Herman A. Metz........................................................................................... 702Herbert Grandage ....................................................................................... 804

Mercerization of Cotton Piece Goods: The (Chase)............................... 21Mercerizing and Its Recovery, Caustic for (Goldthwait)......................... 71Micro-Organisms and Insects in Textile Work: Experience with

(Johnson) .......................................................................... 10Microscope Device for Analysis of Textiles: New..................................... 301Microscopical \ ision in the Study of Knitted Goods (Johnson).............. 209Modern Chemistry and Textile Fibers (,Hibbert))................................... 390Moorhouse Becomes Assistant Sales Manager of National................... 402Moth Damage and Moth Prevention (Sachs)............................................. 155Moths and Mothproofing (Mullin)................................................................ 321Multi-Color Effects on Hosiery (Zens).......................................................... 562Naphthol AS: Blue Shades with (Rath)........................................................ 791New Developments in Naphthol AS (Rath)............................................. 426New Lamp for Fading Tests; A (Appel)..................................................... 882New Process for Clarifying and Decolorizing Waste Waters in Plants

Using and Making Dyestuffs (Ullmann).............................................. 784Non-Chemical Problems of a Textile Chemist (Eastman)....................... 139Notes on the Dyeing of Acetate Silk (March)........................................... 37Notes on the Identification of Phosphotungstic-Basic Dye Lakes

(Holmes) ..................................................................................................... 481Oxycelliilose and Its Tests................................................................................ 418Paper: Alum in the .Beater Coloring of Sized (Holmes)...................... 129P\TENTS:'Fabrics Containing Artiliciai Siik. . .. ------ -------- . . . .................. 102

Annaratiis for ilciivering Measured Quantities of Liquids................ 102Reversing Mechanism and Safety Stopping Device for Dyeing Ma-

t chiiicry .. .'1 . i •!.....................................................................................

Subject Pagel>yeing Apparatus ......................................................................................... 102Ornamenting and I’rooling Fal)iics............................................................... 136Summary for 1924.......................................................................................... 200Dyeing Wool with Dyestuffs Capable of Being Chromed.................... 202Dyeing A])paralus ........................................................................................... 203Azo l;ycs. tiffs ................................................................................................. 203Degreasing Raw Wool................................................................................... 203Unshrinkal>le Wool ......................................................................................... 203('ellulose ComjHiund Imlifferent to Substantive Colors.............................. 203('oloring Matters ........................................................................................... 412\ ’at Dyestuffs ................................................................................................... 412Yarn-Moistening Mechanism ..................................................................... 412A])paralus for Softening ) ........................................................................... 413In-ying ami Tenlering Machine..................................................................... 447Brown Suliiliur Dyestuffs............................................................................. 447Waterprool ng ................................................................................................ 447Dyeing Aiiparaltis .......................................... .............................................. 44/Apparatus fur Treating Fabrics with Liquids........................................... 447Prill ing Texii’e Falirics................................................................................ 548Reducing Indigo Dyes and Other .Solutions............................................... 447Finishing Textile Materials......................................................................... 548Machitu* for Ornamenting Fabrics................................................................ 548Obtaining Sulphonated Products of Wool Fat........................................... 548Wool Dye ......................................................................................................... 548Transpa'-ent Effects in Cotton Fabrics....................................................... 645Package Dyeing .............................................................................................. 645Albumen I iyestuff ........................................................................................... 645Water-Softening Apparatus ........................................................................... 64b.Softening Acid-Treated Fabrics...................................................... 645Pyroxylin-Coated Fabric ............................................................................... 678Hair and Fur Dye........................................................................................... 678Azo Dyes'uff .................................................................................................... 678Dye-Applying Wheel ....................................................................................... 678Treating Textile Materials............................................................................. 678Black Vat Dyestuff........................................................................................... 678Producing Cellulose Acetate......................................................................... 678Dyeing Cellulose Acetates............................................................................... 678Catch-Basiii for Wool-Washing Machine................................................... 678Bleaching Process ................................................................... :•••■............

Phosphotungstic-Basic Dye Lakes: Notes on the Identification of(Holmes) ...................................................................................................... 481

Perspiration: Report of the Sub-Commiltee on Fastness t o . . ............ ... 858Prac ical Hints on the Production of Bright Colors on Textile Fabrics

(Sarsone):Fart IX ............................................................................................................ 93Part X .............................................................................................................. 12-iPart XI ............................................................................................................ 234Part XII .............................................................................. 27iP.art XIII ........................................................................................................ 374Part XIV ........................................................................................ 440Part XV ........................................................................................................ 4 69Part XVI ......................................................................................................... 536Part XVir ...................................................................................................... 596Pa-t XVIII ...................................................... 628

Preliminary Stages in Wool Dyeing (Heutbwaite)..................................... 583Preparation and Dyeing of Cotton Knit Goods: The (Roberts)............ 781Preparation of Ice Colors for Direct Printing: The (Gotthardt)^............ 75Printing ami Allied Industries: Surveys of Recent Progress in Dye­

ing (Huebner) 181Printing Cotton Fabrics and Related Processes (H ir st) ......................... 151Printing Fabrics: The Fastness of Colors for (Lichtenstein)...................... 533Printing: Preparation of Ice Colors for Direct (Gotthardt)...................... 75PROCEEDINGS OF THE AMERICAN ASSOCIATION OF TEX­

TILE CHEMISTS AND COLORISTS—7, 41, 78. 117, 221, 253,321, 353, 389. 425, 485, 529, 557, 659, 725, 755, 823, 851

Producing Dyed Shades Fast to Bleaching.................................................... 665Raw Silk: The Classification of. By Means of Mechanical Tests

(Moore)[See under “Silk”]

Rayon[See also under “Artificial Silk” and “Acetate Silk”]

Rayon Silks. Quantitative Studies of the Action of Alkalies (CausticSoda) on. and of Their Relative Hygroscopic Properties (Johnson) 866

Rayon: The Bleaching, Dyeing and Finishing of Cotton Fabrics Con­taining (Arrington) .................................................................................... 726

Recent Developments in the Chemistry of the Cotton Fiber (Tagliani) 593Recent Developments in the Coloring of Acetate# Silk (Davies).............. 887Recent Developments of New Dyes and Chemicals Abroad (Walker).. 117 Reddening of Sulphite Pulp: The (Oeman):

Part I ................................................................................................................ 306Part II ............................................................................................................ 319

Reduction of Vat Colors, Including Indigo* The (Mackenzie)............ 557Reduction Products of Azo Dyes: The (Holmes)—647, 686, 732, 753,

807. 82 1Removal of .Spots and Stains on Finished Goods (Johnson).................. 664Report, of the Sub-Committee on Fastness to Light (A. A. T. C. C, ) . . 59Research Ccnimittee: Report of the (A. A. T. C. C .)............................ 852Research; Cooperative Textile (OIney)....................................................... 395Research Fund Grows: Silk........................................................................... 602Research Plans: The Association and Its (OIney)...................................... 487REVIEWS:

The Wet Processes of the Wool Industries............................................... 123Popular Textile Chemistry..................................................... !!!!!!!.'..* 371Artificial Silk ....................................................................................................37)Technology of Cotton Machinery................................................... !!!*.!! 371Inks. Typewriter Ribbons and Carbon Paper.............................. ,!! ! .'! ! 473Elimination of Waste..................................................................... !!'.!.*. 47'tReclamation of Gasoline in Dry Cleaning.......................... 1 . ] ! ! ........... 47'*Flammable Liquids ......................................................... *. 1 . ! ! ! . . ! ! ! /'73Report-Boards of Visitors to Bureau of Standards . ! .*........................ aj-iDyestuffs for Wool............................................................... ’ | ............... 542Year Book. Arnerican Engineering Standards Committee..'!!!’. ! ! ’. 54 >Commercial Utilization of Corncobs...................................... ! [ ’ ............... 549The Instructor in Garment Cleaning..........................! ! ! ! ! ! ! ! ............... 637New Bedford School Catalogue..................................! ! ! ! ! ! ..................... 67^Indicating Thermometers ....................................... ! ! ! ! ! ! ! .......................Notes on th»* Practical Dyeing of Celanese........! ! ................................... 77^Textile Library: Modern Dyeing Appliances—Part"H;"MerceririneYarns-Part II ............................................................... ' =Organic Cbcmistry in the Hands of ihe Plivsician aiid lia'wve:.......... vvoThe Future of the Synthetic Organic Chemical Industry in America 77o

Dt'cei,iil;

li'haitM! I

SillHsWO-Silk

Silk: The Oa- (Moor:):

p«‘ L.....;;;Part i n

S in je u ? «1

Sizing «illiS lasliuig-A K K “S, 0 , C. M. A : ' S ed im P w ™ ^ S n ie ta J a l t S«iK A p p lis i ',® ‘ Spot, and Sisndird Tests m

SandardsStandards lor T ts i:

Wool (K ertessi Starch; Safe M rth Suggestions for a f

Materials t ^ L j , Sulphite P ulp ' The

Part I . . . . . . . . . . .hff 11 .........

Supplying Rnssisa F

iC -'-IDecember 28, 1925 AMERICAN DYESTUFF REPORTER 871

Subject PageDyejing Arli ficial Silk Fabrics..................................................................... 7711925 \ear Book of the National Association Cotton Manufacturers.. 771Chemistry m Industry—Vol. I I ................................................................. 83^\Vhat Price Progress?......................................................................................837Bibliography of Bibliographies on Chemistrv ami Chemical Tech­nology ..............................................................; .........................................337

Roughness of Dyed Silk H9siery (Bick)................................................... 717Russian Dye Interests Negotiate for American Intermediates.................. 80u

Safe Methods of Boiling Starch..................................................................... 723Safety in the Design of Chemical Plants (Kiler)...................................... 523Scientific W ashing (Guernsey) :

Part VIII—Water .......... ’ ............................................................................ 177Part IX—Bleach ........................................................................................... 663

Seeing Colors by Geometry (Durfee)........................................................... 1Several Color Reactions on Wool (Meunier and Rey).............................. 313Silk Dyers Discuss Washing Practice............................ 540Silk Plosiery Dyehouse: Technical Control in the Modern ('Zisman). . 207Silk Hosiery: Roughness of Dyed (Bick)................................................... 717Silk Industry—Past, Present and Future: The (Scott)........................... 399Silk Research Fund Grows............................................................................. 602Silk: The Classification of Raw, by Means of Mechanical Tests

(Moore):Part I ............................................................................................................... 551Part II ............................................................................................................. 579Part III ......................................................................... 619Part I\* ......................................... 689

Silks: Reducer Demand ror Foreign........................................................... 731Silks: The Finishing of (Berman)............................................................. 292Singeing of Cotton Pile Fabrics: Gas (Travis)..................................... 3Size Kettle: Chemistry at the (Seydel and Reiners)................................. 282Sizing with Dextrine Soap (Hager)............................................... 112Slashing—A Discussion ................................................................................. 717S. O. C. M. A.: Annual Meeting................................................................. 848Sodium Peroxide as a Bleaching Agent.......................................................... 521Soledon Jade Green (Isaacs)........................................................................... 246Some Applications of Logwood (Lesser)....................................................... 755Spots and Stains on Finished Goods: Removal of (Johnson).............. 664Standard Tests for Fastness to Acids and Alkalies and Selection of

Standards ................................................................................................... 9Standards for Testing Fastness Properties of Dyeings on Cotton and

Wool (Kertess) ......................................................................................... 385Starch: Safe Methods of Boiling................................................................. 723Suggestions for a Simple Standard for Testing the Fastness of Dyed

Materials to Light (Deady)..................................................................... 878Sulphite Pulp: The Reddening of (Oeman):

Part I ............................................................................................................... 306Part II ............................................................... 319

Supplying Russian Factories with Dyes and Chemicals (Islentieff). . . . 818

Subject PageSurveys of Recent Progress in the Dyeing, Printing and Allied Indus­

tries (Huebner) ........................................................................................ 181Technical Control in the Modern Silk Hosiery Dvehouse (Zisman) . . . 207 TECHNICAL NOTES FROM FOREIGN SOURC'ES—33, 66, 98, 133,

169, 196, 239, 276, 310, 342, 377, 409, 443, 476, 512, 546, 574, 608,642, 676, 710, 741, 777. 812, 845

Testing of (Colors: The (Ginsberg)............................................................. 216Testing the Fastness of Dyed Colors to Light (Gordon)....................... 488Testing the Fastness of Dyed Materials to Light: Suggestions for a

Simple Standard for (Deady)................................................................. 878Textile Chemist: Non-Chemical Problems of a (Eastman)...................... 139Textile Fibers: Modern Chemistry and (Flibbert).................................... 390Tneven Bluing .................................................................................................. 765Use of Dyestuffs in Analytical Chemistrv: The (Atack)........................ 766Use of Lustron as a Decorative Fiber (Little)......................................... 51Vat Colors, Including Indigo: The Reduction of (Mackenzie).............. 557Vat Dyes with Strength Ratios Between Paste and Powder..................... 78Viscose Process for the Manufacture of Artificial Silk: The (Mitscher-

ling) ............................................................................................................ 54Warps; The Dyeing of Cotton (Matos)...................................................... 803Washing Piactice: Silk Dyers Discuss....................................................... 540Washing: Scientific (Guernsey):

Part VIII—W'ater .......................................................................................... 17>Part IX—Bleach ..................— ..................................................................... 663

Washing: .Standard Tests for Fastness to (Scott—Fifth Annual Meet­ing, A, A. T. C. C .)................................................................................ 85o

Waste Waters in Plants Making and Losing Dyestuffs: New Processfor Clarifying and Decolorizing (Ullmann)......................................... 784

Waterproof: Adhesives in Dyeing Cotton and Making It (Nelson)........ 585W’aterproofing Process: Remarkable............................................................. 679Waterproofing Textile Fabrics (Pearson)...................................................... 885What the Chemical Industry of the Country Means to the Chemical

Warfare Service (Fries).......................................................................... 719Wool Dyeing; Preliminary Stages in (Heuthwaile)............................... 583Wool: Effect of Alkalies on—Importance of pH (Chapin)....................... 859Wool-Scouring Waste Liquors—Their Composition and Disposal (Veitch

and Benedict) ............................................................................................ 449Wool: Several Color Reactions on (Mennier and Rey)........................... 313Wool: Standards for Testing Fastness Properties of Dyeings on Cotton

and (Kertess) ............................................................................................. 385Wonl: Supplementary Report—Fastness Tests for Dyed (A. A. T.

C. C.) 225Woolen and Worsted Finishing (Stewart)................................................... 285

......................................... 667

......................................... 80Yarn: Dyeing Cotton Skein (Matos)........Zinc Ferrocyanide as a Mordant (Carter).

AUTHORS’ INDEXAu hor Page

ADLER, HAZEL H.—Capitalizing on Color..................................................................................... 8 ly

APPEL, WILLIAM D —A. New Lamp for Fading Tests............................................... ................... 246

ARRINGTON, R. \V.— ,The Bleaching, Dyeing and Finishing of Cotton Fabrics Containing

Ravon ........................................................................................................... 226ATACK, FREDERICK WILLIAM—

The Use of Dyestuffs in Analytical Chemistry...................................... 76,iBAKER, J. C.— ^

The Bleaching of Textiles with Chlorine and Its Compounds.............. 431BASCOM, F. P.— ,

Dyehouse Construction ....................................................UV™AV;c...........BENEDICT, LEON NC. (in collaboration with F. P. VEITCH) —

Wool-Scouring Waste Liquors—Their Composition and Disposal.......... 449BERMAN, VICTOR H.—

The Finishing of Silks................................................................................. 29-BICK, C. E.—

Roughness of Dved Silk Hosiery.............................................................BRITTAIN, M. L.—

Address of W'elcome...................................................................................... 433CARTER, STEWART F.—

Zinc Ferrocyanide as a Mordant.................................................................. °oCHAPIN, EDWARD C.— ^ r. rocThe Depreciation of the German Currency and the Dawes 1 Ian.......... 323CHAPIN, H. C.— , r -u SCOEffect of Alkalies cn Wool: Importance of pH ....................................... »39CHASE, WINN P.— ^ , o.

The Mercerization of Cotton Piece Goods..................................................DAVIES, HARRY P.— r , . . e-„Recent Developments in the Coloring of Acetate Silk............................ »»/^Su^glstimilhVr^a^Stople Standard for Testing the Fastness to Light

' of Dyed Materials ......................................................................................Ctipraramonium Silk and the Artificial Silk Industry............................ 45

DURFEE, WALTER C.— ,Seeing Colors by Geometry............................................................................

^^^on?Chmmcai ^oblem s of a Textile Chemist..................................... 139ESSELEN, GUSTAVLS J.— 7,3

Artificial Silk and the Textile M t-stry ......................................................^ W h atU h e'^ C h S l the Country Means to the Chemical

Warfare Service ..........................................................................................GINSBERG, ISM AR-- 21u

The Testing of Colors............................................................- r S ' t h e F^sTness of Dyed Colors to Light........................................ ^88

ivuthor PageGOLDTHWAIT. CHARLE.S F.—

Caustic for Mercerizing and Its Recovery............................................. 71GOTTFIARDT, ANTON—

The Preparation of Ice Colors for Direct Printing............................... 7jGUERNSEY, F. H.—

Scientific Washing:Part VIII—Water .................................................................................... 17/Part IX—Bleach ...................................................................................... 663

HAGER, DR. H. E.—“Stoko” Size Tablets.................................................................................... 112

HEUTHWAITE, J. STEPHEN—Preliniinarv Stages in Wool Dyeing...................................................... 583

HERRMANN, HENRY F.—Further Notes on the Science of Dyeing................................................. 659

HIBBERT, DR. HAROLD—Composition and Properties of Various Artificial Silks........................... 41Modern Chemistry and Textile Fibers..................................................... 390

HIRST, A. E.—Printing of Cotton Fabrics and Related Processes................................. 151

HOLMES, WALTER C.—Alum on the Beater Coloring of Sized Paper......................................... 129Analysis of Dye Mixtures by Means of Titanous Chloride.................. 415Notes on the identification of Phosphotungstic-Basic Dye Lakes........ 481The Reduction Products of Azo Dyes..............647, 686, 732, 753, 807, 821

HOUSER, E M II^The Chemical Foundations of the Artificial Silk Industry...................... 690

HUEBNER, J.—Surveys of Recent Progress in Dveing, Printing and Allied Industries 181

ISAAC, C. GRANT—Soledon Jade Green....................................................................................... 246

ISLENTIEFF, P.—Supplying Russian Factories with Dyes and Chemicals........................ 818

JAMES, E. F.—The Dyeing of Artificial Silk..................................................................... 358

JOHNSON, ARTHUR K.—Experiences with Micro-Organisms and Insects in Textile Work.......... 10The Identification of Types of Artificial Silk......................................... 105Microscopical Vision in the Study of Knitted Goods.............................. 209Quantitative Studies of the Action of Mkalies (Caustic Soda) on" Rayon Silks and of Their Relative Hygroscopic Properties............ 866

JOHNSON. GEORGE IL—Colored (joods and the Laund:-y............................................................... .. 681

JOHNSON, T.—Removal of Spots and Stains on Finished Goods.................................... 664

KERTESS, A.—Standards for Testing Fastness Properties of Dyeings on Cotton and

Wool ........................................................................................................... 38i,

AMERICAN DYESTUFF REPORTER Vol. XIV, No. 22DntiJi

Author PageKILER, W. 11.—

Safety in the Design of Chemical Plants.................................................. 523KO.SCllE, WALTER—

The Hleaching of Artificial Silk Waste...................................................... 650KUHL. C, W.—

Incligosol O and Other Indigosol Colors................................................... 25LAUTERBACll. UR. ALEXANDER—

The Control of Hydrosulphite Vats............................................................ 457LESSER. EMIL—

Some Arplic.ations of Logwood................................................................... 755LITTLE. ROYAL—

The Use of Lustron as a Decorative Fiber.............................................. 51LL^CKIESH, M. (in collaboration with A. H. TAYLOR)—

The Fading of Colored Materials by' Daylight and Artificial Light.. 613 MATOS. LOUIS J.—

Dyeing of Cotton Skein Yarn..................................................................... 667The Dveing of Cotton Warps..................................................................... 803

MACKENZIE. MALCOLM—The Reduction of Vat Colors, Including Indigo........................................ 557

MacMILLAN. JOHN R,—Hleaching Process (Patent)......................................................................... 774

MARCH, A. P.—Notes on the Dyeing of Acetate Silk......................................................... 37

MAYER, FRITZ—Chemical Constituticn and Fastness of a Dyestuff.................................... 347

METCALF, JESSE H.—Address before thd Northern New England Section, A, A. T. C. C ., 487

MEUNIER, L, (in collaboration with G. REY)—Several Color Reactions on Wool............................................................. 313

MITSCHERLING, W, O,—The V'iscosc Process for the Manufacture of Artificial Silk.............. 54

MOORE, KARL R.—The Classification of Raw Silk by Means of Mechanical Tests:

Part I ......................................................................................................... 551Part II ....................................................................................................... 579Part III ...................................................................................................... 619Part IV ...................................................................................................... 689

MULLIN, CHARLES E.—Acetate Silk—Its Dves and Their Application:

Part I ................■,....................................................................................... 747Part II ....................................................................................................... 787Part III ........ 849

Dyeing Acetate Silk:Part I ......................................................................................................... 173Part II ....................................................................................................... 214Part III ..................................................................................................... 241Part IV ..................................................................................................... 279Part V ........................................................................................................ 315Part VI ...................................................................................................... 350Part M I .................................................................................................... 381Part VIII .................................................................................................. 420Part IX ..................................................................................................... 462Part X ....................................................................................................... 482Part XI ...................................................................................................... 517Part XII ...................................................................................................... 554Part XIII ................................................................................................. 588Part XIV .................................................................................................. 622Part XV ...................................................................................................... 653Part XVI .................................................................................................... 694

Moths and Mothpreofing............................................................................... 321NELSON, W, B.—

Adhesives in Dyeing Colton and Making It Waterproof........................ 585Iron and Chromium on Cotton or Wool................................................... 164

OEM AN, DR. E.—The Reddening of Sulphite Pulp:

Part I .......................................................................................................... 306Part II ........................................................................................................ 319

OLNEY, PROF. L. A.—Co-operative Textile Research..................................................................... 395The Association and Its Research. Plans.................................................. 487

Author Ti'ivePALMER, JOHN M.—

Cotton Finishing and Materials 290PEARSON, HERBERT P — ..............................................................

Waterproofing Textile Fabrics.................... 885PLATT, IL— ..........................................

Cellulose Acetate Silk—Celancsc............ 49RATH, E. J.— ............................................

New Developments in Naphlhol .VS.................................... 426RATH, DR. J.—

Blue Shades on Naphthol A.S........................................................ 791REINERS, A, H. (with HERMAN SEYDEL)—

Chemistry at the Size Kettle............................................................................ 282REY, (i. (in collaboration with L. MEUNIER)—

.Several Color Reactions on Wool.............................................................. 313ROBERTS, HERBERT C.—

The Preparation and Dyeing of Cotton Knit Goods.................. 781ROGERS, ALl-EN—

The Dyeing and Finishing of Leather.................................. goROSE, M. W.— ............

The Manufacture and Use of Artifieial Silk.......................... 354ROSE, DR. ROBERT E —

The Development of Ice Colors........................................ 17SANSONE, RAFFAELE—

Practical Hints on the Production of Bright Colors on Textile Fabrics:Part IX ....................................................................................................... 93Part X ....................................................................................................... ' 124Part ..................................................................................................... ! 234Part XII .............................................................. 271Part XIII .......................................................................................................374Part XIV ................................................................................................. 440Part XV .................................................................................... ’ 469Part XVI .......................................................................................... 536Part XVII ................................................................................. ■■ 596Part XVIII ................................................................................... ■■■■ 628

SACHS. ALBERT P.—Moth Damage and Moth Prevention..................................................... 155

SCOTT, WALTER M —Application of Hydrogen Ion Determination to Textile Work........... 14.,The Silk Industry—Past, Present and Future......................................... 399Hydrogen Ion Determination—Its Relation to Problems of Dveing... 862

SEYDEL, HERMAN (with A. H, REINERS)—Chemistry at the Size Kettle.................................................................... 282

STEWART, ARTHUR A.—Woolen and Worsted Finishing................................................................... 285

TAGLIANI, DR. G.—Recent Developments in the Chemistry of the Cotton Fiber............... 593

TAYLOR. A. H. (in collaboration with M. LUCKIESH)—The Fading of Colored Materials by Daylight and Artificial Light.. 613

TRAVIS, JOHN T,—Gas Singeing of Cotton Pile Fabrics......................................................... 3

ULLMANN, DR. GUSTAVE—A New Piocess of Clarifying and Decolorizing Waste Waters in

Plants Using and Making Dyestuffs.................... 784UNTERWEISER, JOSEPH S.— .........................

The Dyeing of Three Fiber Hosiery...................................................... 28VEITCH, F. P. (in collaboration with LEON C. BENEDICT)— ..........

Wool-Scouring Waste Liquors—Their Composition and Disposal.... 449 VICTOROFF, PROF. P. P.—

Effect of Naphtha Sulphonic Acid in Desizing of Cotton... 815WALKER, CHARLES P.—

Recent Developments of New Dyes and Chemicals -Vbroad.......... 117WINGATE, W. IL—

The Franklin Process Method of Dyeing—A Description and Discus­sion ............................................................................................................... 222

ZENS, JOSEPH H.—Multi-Color Effects on Hosiery............................................ st:,

ZISMAN, LOUIS S.— ............Technical Control in the Modern Silk Ilosiery Dyehouse.................... 207

ofIrudex to the Proceeidings

the Am erican A ssociation Textile Chemists and Colorists

of

January 12, 1925, to December 28, 1925, InclusiveSubject . Page

Acetate Silk: Recent Developments in the Coloring of (Davies).......... 251Alkalies on Rtyon Silks, and of Their Hygroscopic Properties: Quan­

titative Studies of the Action of (Johnson). Paper 238Alkalies on Wool: Effect of—Importance of pH (Chapin). Paper. . . . 231 Application of Hydrogen Ion Determination to Textile Work (Scott).. 61Artificial Silk: The Dyeing of (James). Paper....................................... 122Artificial Silk: The Manufacture and Use of (Rose). Paper.................. 119Artifici.nl Silk: The Viscose Process for the Manufacture of (Mitscher-

ling) ............................................................................................................ASSOCIATION (Parent Body) —

Fourth Annual Meeting, Dec. 6, ’24:Saturday Morning Sess ion:

Secretary’s Report ................................................................................ 1Treasurer’s Report ............................................................ 2Stand.ard Tests for Fastness to Acids and Alkalies and Selection

of .Standards ............................................. ','4............. ’ '.I.'' ' A V ^Experiences with Micro-Organisms and Insects in textile Work ^^^ThMIcvelopmcnt of Ice Colors (lUse). Pap e r . . . . . . .................... 11

The Merccrizaticn of Cotton Piece Goods (Chase). Paper............ 15Indigosol O and Other Indigosol Colors (Kuhl). Paper.............. 19

Subject PageThe Dyeing of Three Fiber Hosiery (Unterweiser). Paper........ 22

Saturday Afternoon Session:Composition and Properties of Various Artificial Silks (Hibbert) 25 Cuprammomum Silk and the Artificial Silk Industrv (Dicks) . . . . 30Cellulose Acetate Silk—Cc-lanese (Platt)............................................ 33The Use of Lustron as a Decorative Fiber (Little). ' P a p e r . ' ' 35The Viscose Process for the Manufacture of Artificial Silk (MiV-

scherling) Paper ................................................................................... 33Report of the Sub-Committee on Light Fastness..!!!!.!!*.*.’. ' ! 42

Fifth Annual Meeting, Dec. 4 and 5 ,’25....................................! ! ..........2 IIFriday Evening Session:

Open Forum^..................................................................................... 212Saturday Morning Session:

Secretary’s Report ....................................................................... 22 jReport of Research Committee......................................! ! ! ! ! ! ! ’ 224Report of Sub-Committee on Fastness to Light..................! !!! 225Treasurer’s Report ......................................................... ! ! ! ! ! ........... 227Dr. Scott on Standard Tests for Fastness to Washing ! ! ! .......... 227Report of Sub-Committee on Fastness to Perspiration................... o-xaEffect of Alkalies on Wool (Chapin). Paper..............! ! ............... 231Hydrogen Ion Concentration—Its Relation to Proble'ms of 'Dve

ing (Scott). Paper................................................................................. 234

fjectK

jirfdA.Vt*

tt'atwi Keceiil

Paper •

ai-thokS;a „ « l . B il l '

Paper:, l r r i “f « i. J

Paper : J tsBiait'!

Baler, \ X .}

(R, I-Bait!®, f' \

[tjekew -1B ite in . M’ ,

,«dresi :Carter, Shj

Paper: ZiiCliapin.

Paper: Tr Plao (A

Cliapin, H J Paper: t i

h . tCfease. WiDf

Paper: Tl Dec. 4

Davies, Harr Paper:

Ana. M: Dead)'. Wiliij

Paper: Su of Dyea

Dicks. R. P. Copramn-oi

Mtg..Gordon, H. I

Tesiing the Herman, Ht Paper. Fan 2i, ’25) ,

flibberT, Haroli Composition

Mig„ Dec. Modern Cbea

Hirst, Artkr 1 Paper: Prim

Sec.. Jan. James, E. F.;

Paper: The Johnson,

Paper: Expe;Work (4th

Paper: Quan Sod a) on B Ann. Mr?

Kuhl, C. W.:

'' - 0, '''I

Pif

December 28. 1925

Subject

AMERICAN DYESTUFF REPORTER 87S

S u g g estio n s for 241

\\ aterproofing Textile Fabrics (Fearsoii) . . ,40Recent Developments in the Coloring of Acetate' '.Silk '('DaW'e's')'

........................................................................................................... 251AUTHORS—

Appel, William D .:

ArrrngTomVvV.:^'''"'’ ^ ‘8- ’25) 246Paper: The Bleaching Dyeing and Finishing of Cotton Fabrics Comaining Rayon (Sc. Sec., Oct. 10, ’25). . fanrics

Baker, Dr. J. C.: ..........................

^‘TR"'l.'^Sec®‘ApHr®7 ^ 51'“*"' CompoundsBascom, F. P .: ’ ’ ...................................................................

Dyehouse Construction (N. Y. Sec., Feb. 27, ’25) .............................. 83Brittain, M. L .:

Address of Welcome (So. Sec., April 18. ’25 )................................... n /Carter, Stewart F .:

Paper: Zinc Ferrocyanide as a Mordant (R. I. Sec., Jan. IS, ’25) 46Chapin, Edward S .:

of the German Currency and the DawesPlan (^. \ . Sec., April 18, ’25)....................................................... 109Chapin, H. C.:

Alkalies on Wool: Importance of pH (5th AnnMtg., Dec. 5, ’25)............................. onChase, W'inn P .: .............................................

Paper: The Mercerization of Cotton Piece Goods (^th Ann MleDec. 6, 24)..................................................... cDavies, Harry R .: ^

Developments in the Coloring of Acetate Silk (5thAnn. Mtg., Dec. 5, 25).............................................. ociDeady, William F .:

Paper: Suggestions for a Simple Standard for Testing the Fastnessof Dyed Materialsjto Light (5th Ann. Mtg., Dec. 5, ’25).......... 242Dicks, R. P .:

Cuprammonium Silk and the Artificial Silk Industry (4th AnnMtg., Dec. 6, ’24 )......................................................... ' in

Gordon, H. B.:Testing the Fastness of Dyed Colors to L ig h t................... 158

Herrmann, Henry F .:Paper: Further Notes on the Science of Dyeing (N. Y. Sec., Sept.

25, ’25) ............................................................. ’ ■toyHibbert, Harold—

Composition and Properties of Various Artificial Silks (4th Ann.Mtg., Dec. 6, ’24)........................................................................... 25

Modern Chemistry and Textile Fibers (N. N. E. Sec., April 18, ’A ) 134 Hirst, Arthur E .:Paper: Printing of Cotton Fabrics and Related Processes (N N. E

Sec Jan. 31, ’25)................................................................................... 67James, E. F .:

Paper: The Dyeing of Artificial Silk (So. Sec., .A.pril 18. ’25)___ 122Johnson, Arthur K .:

Paper: Experiences with Micro-Organisms and Insects in TextileWork (4th Ann. Mtg., Dec. 6, ’24 )................................................... 4

Paper: Quantitative Studies of the Action of Alkalies ((TausticSoda) on Rayon Silks and of Their Hygroscopic Properties (5thAnn. Mtg., Dec. 5, ’25 )............................................... 238

Kuhl, G. W.: ............Paper: Indigosol O and Other Indigosol Colors (4th Ann. Mtg,

Dec. 6, ’24)............................................................... .........................19Little. Royal;

Paper: The Use of Lustron as a Decorative Fiber (4th Ann. Mtg.,Dec. 6, ’24)............................................................................................... 3 ,

Lesser, Dr. Emil:Some Applications of Logwood (N. Y. Sec., Oct. 23, ’25)................ 197Mackenzie, Malcolm:Paper: The Reduction of Vat Colors. Including Indigo (So Sec.,

July 18, ’25 )................................................................. » > 179Metcalf, Jesse H .:

Address before the Joint Meeting of the Northern New Englandand Rhode Island Sections................................................................... 157

Mitscherling, W. O.:Paper: The Viscose Process for the Manufacture of Artificial Silk

(4th Ann. Mtg., Dec. 6, ’24)............................................................. 38MuIIin, Charles E .:

Paper: Moths and Mothproofing (N. Y. Sec., April 24, ’251.......... 103Olney, Prof. L. A .:

Co-operative Textile Research (N. N. E. Sec., April 18, ’25 ).......... 133The Association and Its Research Plans (R. I. and N. N. E. Secs..

June 26, ’2 5 )......................................................................................... 155Pearson, Herbert P .:

Paper: Waterproofing Textile Fabrics (5th Ann. Mtg.. Dec. 5, ’25) 249 Platt, H.:

Paper: Cellulose Acetate Silk—Celanese (4th Ann. Mtg., Dec. 6,’24) 33

Rath, E. J.jPaper: New Developments in Naphthol AS (N. Y. Sec., May 22,

’25) 146Rogers, Allen:

The Dyeing and Finishing of Leather (N. Y. Sec., Jan. 23, ’25). . 48Rose, H. W.:

The Manufacture and LFse of Artificial Silk (So. Sec., April 18,’25) 119

Rose, Dr. Robert E .:Paper; The Development of Ice Colors (4th Ann. Mtg., Dec. 6, ’24) 11

Sachs, Albert P .:Paper: Moth Damage and Moth Prevention (Phila. Sec., Jan. 8,

’25) 71Scott, Dr. Walter M .:

Paner: Application of Hvdrogen Ion Determination to TextileWork (N. N. E. Sec., Jan, 31, ’25)..................................................

Paper- The .Silk Industry—Past, Present and Future (R. I. Sec.,May 22, ’25).

Paper: Hydrogen Ion Concentration—Its Relation to Problems of Dyeing (5th Ann. Mtg, Dec. 5, ’25)................................................

61143234

Subject PageUnterweiser, Joseph S .: ®

Paper: The Dyeing of Three Fiber Hosiery (4th Ann. Mtg., Dec6, ’24) ........................................................................................ 2 3

Walker, Charles P.:Paper: Recent Developments of New Dyes and Chemicals Abroad

(So. Sec., Jan. 16, ’25)............................................................ 57Wingate, W. H.:

Paper: The Franklin Process Method of Dveing—A Descriptionand Discussion (Phila. Sec., March 13. ’25)...................................... 75

Zens, Joseph H.;Paper: Multi-Color Effects on Hosiery (So. Sec., July 18, ’25 ).. 184

Bleaching, Dyeing and Finishing of Cotton Fabrics Containing Rayon;The (Arrington). Paper.......................................................................... 192

Bleaching ot Textiles with Chlorine and Its Compounds: The (Baker)Paper ......................................................................................................... ; 15J

Cellulose Acetate Silk—Celanese (Plait)..................................................... 33

COMMUNICATIONS—Sub-Committee on Light Fastness............................................................... 53From the President: Corrections to Be Made in Tabulations of

American Dyes as Published in the 1924 Year Book........................ 54Composition and Properties of Various Artificial Silks (Hibbert)........ 25(2o-operative Textile Research (Olney)......................................................... 139Colton Fabrics Containing Rayon: The Bleaching, Dyeing and Finish­

ing of (Arrington). Paper..................................................................... 192Cotton Finishing and Materials (Palmer). Paper................................... 96Cotton Piece Goods: The Mercerization of (Chase)................................. 15COUNCIL—

Meeting, Jan. 9, ’25 .................................................................................. egMeeting, March 7, ’25 ........................................................................ 80Meeting, April 11, ’25 ...........................................1 1 !*.!!!!*’ * 116Meeting, May 15, ’25 ..................................................................................... 131Meeting, June 26, ’25 ...................................................’ ......... *. . .*]!!!!! 173Meeting, Sept. 25. ’25 .............................................1 !!.*!!!!!!!! ! 194Meeting, Oct. 30, ’25 .....................................................1 2 0 7

Cuprammonium Silk and the Artificial Silk Industry (Dicks)................ 30Depreciation of the German Currency and the Dawes Plan: The

(Chapin). Paper ...................................................................................... jo9Development of Ice Colors: The (Rose)............................... 11Dyehouse Construction (BascomP Paper............................... !!!!!*.!** 83Dyeing and Finishing of Leather: The (Rogers)................*.!! 1 ' 48Dyeing: Further Notes on the Science of (Herrmann). Paper.!. .** 187Dyeing of Artificial Silk: The (James). Paper....................................... ! 122Dyeing of Three Fiber Hosiery: The (Unterweiser)..............................!! 22Dyeing: The Franklin Process Method of (Wingate). Paper..............!! 76Effect of Alkalies on Wool: Importance of pH (Chapin). Paper....... 231

Fading Tests: A New Lamp for (Appel). Paper... . 246Fastness of Dyed Colors to Light; Testing the (Gordon)............... 158Fastness of Dyed Materials to Liiyht: Suggestions for a Simple Standard

for Testing the (Deady). Paper............................................... 242Fastness to Washing or Laundering of Dyed Woolen Material *: *fest-

mg of—Supplementary Report ............................................................ 79Fastness to Washing; Standard Tests for (Scott)................! ! ! ! ! ! ! ! ! ! 228Finishing and Materials: Cotton (Palmer). Paper................................... 95Finishing of Silks: The (Berman). Paper............................................... !. 93Finishing: W'oolen and Worsted (Stewart)................. !!!! 91Franklin Process Method of Dyeing: The (W’ingate). Paper!! . ! !!!!! 76Further Notes on the Science of Dyeing (Herrmann). Paper.............. 18/'

Hosiery: Multi-Color Effects on (Zens). Paper....................................... 184Hosiery: The Dyeing of Three Fiber (Unterweiser)..........................!!!! 22Hydrogen Ion Concentration—Its Relation to Problems of Dyeing

(Scott). Paper ......................................................................................... 234Hydrogen Ion Determination to Textile Work: Application of (Scott) 61Ice Colors: The Development of (Rose)..................................................... HIndigo: The Reduction of Vat Colors, Including Indigo (Mackenzie)

Paper ........................................................................................................... 179Indigosol O and Other Indigosol Colors (Kuhl)......................................... 19

Leather: The Dyeing and Finishing of (Rogers)..................................... 45Light: Suggestions for a Simple Standard for Testing the Fastness of

Dyed Materials to Li^ht (Deady). Paper............................................. 242Logwood: Some Applications of (Lesser). Paper................................... 197LOWELL JITNIOR SECTION—

Meeting, Oct. 30, ’24 .................................................................................... 73Meeting, March 5, ’25.................................................................................. 78

Lustron as a Decorative Fiber: The Use of (Little). Paper.................. 35

Manufacture and L"se of Artificial Silk: The (Rose). Paper.................. 119Mercerization of Cotton Piece Goods: The ((Jhase)................................. 15Modern Chemistry and Textile Fibers (Hibbert). Paper....................... 13*1Moth Damage and Moth Prevention (Sachs)............................................. 7]Moths and Mothproofing (Mullin). Paper................................................. 105Multi-Color Effects on liosieiy (Zens). Paper......................................... 184New Developments in Naphthol AS (Rath). Paper................................. 146New Lamp for Fading Tests: A (Appel). Paper................................... 246NEW YORK SECTION—

Meeting. Jan. 23, ’25.................................................................................... 43The Dyeing and Finishing of Leather (Rogers).......... ! ! ! ! ! . ! ! ! ! 48

Meeting. Feb. 27, ’25.................................................................................... 33Dyehouse Construction (Bascom). Paper......................... ! . . ! ! ! ! ! 83

Meeting, March 27, ’25.......................................................................... !. 91Woolen and Worsted Finishing (Stewart)................................................. 91Cotton Finishing and Materials (Palmer)....................................... !! 95The Finishing of Silks (Berman)......................................................... gg

Meeting. April 24. *25.................................................................................. ]Q5Moths and Mothproofing (Mullin). Paper........................................... 105The Depreciation of the German Currency and the Dawes Plan

(Chapin) ................................................................................................ iq9Meeting. May 22, ’25.............................................................................. .. 145

New Developments ni Naphthol A,S (Rath). Paper............................ 146

AM 1<: RICAN DYESTUFF REPORTER Vol. XIV, No. 22 AlSubject Page

Summer Outing ............................................................................................. 163Meeting, Sept. 25, ’25................................................................................... 187

Inu'ther Notes on the Science of Dyeing (Herrmann). Paper. . . . 187Meeting, Oct. 23, ’25..................................................................................... 197

Some Applications of Logwood (Lesser)............................................... 197Meeting, Nov. 20, ’25..................................................................................... 209

NORTHERN NEW ENGLAND SECTION—Meeting, Jan. 31, *25..................... 61

Application of llyclrogen Ion Determination to Textile Work(Scott) ..................................................................................................... 61

Printing of Cotton Fabrics and Related Processes (Hirst). Paper 67Meeting, Aj iril 18, ’25................................................................................... 133

Modern Chemistry and Textile Fibers (llibbert). Pajier.................. 134Co-operative Textile Research (Olncy)............................................... 139

Meeting, June 26, ’25................................................................................... 155riie Association and Its Research Plans (Olney)............................. 155Address by Hon. Jesse II. Metcalf....................................................... 157

Summer Outing ............................................................................................. 175Meeting. Oct. 17, '25..................................................................................... 195

PAPERS—Application of Hydrogen Ion Determination to Textile Work (Scott) 61 Artificial Silk; The V'iscose Process for the Manufacture of (Mit-

scherling) .................................................................................................... 38Bleaching, Dyeing and Finishing of Cotton Fabrics Containing Rayon:

The (Arrington) ....................................................................................... —Bleaching of Textiles with Chlorine and Its Compounds: The

(Baker) ....................................................................................................... 151Cellulose Acetate Silk—Celanese (Platt)................................................. 33Composition and Properties of Various Artificial Silks (l l ibbert). . . . 25Co-operative Textile Research (Olney)..................................................... 139Cotton Finishing and Materials (Palmer)............................................... 96Cuprammonium Silk and the Artilicial Silk Industry (Dicks).............. 30Depreciation of the German Currency and the Dawes Plan: The

(Chapin) ..................................................................................................... 109Development of Ice Colors: The (Rose)................................................. 11Dyehouse Construction (Bascom) ........................................................... 83Dyeing and Finishing of Leather: The (Rogers)................................. 48Dyeing of Artificial Silk: The (James)................................................... 12.Dyeing of Three Fiber Hosiery: The (Unterweiser)............................ 22Effect of Alkalies on Wool: Importance of pH (Chapin) . . . .............. 231Experiences with Micro-Organisms and Insects in Textile Work

(Johnson) ................................................................................................... 4Finishing of Silks: The (Berman)....................... 98Franklin Process Method of Dyeing: The (Wingate)........................ 7v->Further Notes on the Science of Dyeing (Herrmann)..................... . . 187Hydrogen Ion Concentration—Its Relation to Problems of Dyeing

(Scott) ........................................................................................................ 234Tndigosol O and Other Indigosol Colors (Kuhl)..................................... 19l.iistron: The Use of as a Decorative Fiber (Little'.............................. 35Manufacture and Use of Artificial Silk: The (Rose)......................... 119MercerizatLon of Cotton Piece Goods; The (Chase)............................. 15Modern Chemistry and Textile Fibers (Hibbert)................................... 134Moth Damage and Moth Prevention (Sachs)........................................... 71Moths and Mothproofing (Mullin)............................................................. 105Multi-Color Effects on Hosiery (Zens)..................................................... 184New Developments in Naphthol AS (Rath)........................................... 146New Lamp for Fading Tests: A (Appel)............................................. 246.Priming of Cotton Fabrics and Related Processes (Hirst).................... 67Ouantitative Studies of the Action of Alkalies (Caustic Soda) on

Rayon Silks and of Their Relative Hygroscopic Properties (John­son) ................................................................................................ 238

Recent Developments in the Coloring of Acetate Silk (Davies) . . . . 251Recent Developments in the Coloring of Acetate Silk (Davies)........ 251Reduction of Vat Colors, Including Indigo: The (Mackenzie).......... 179Silk Industry—Past, Present one! Future: The (Scott)........................ 143Some Applications of Logwood ( Lesser) . . . . . . . . . . . ^..................V'-'L'Suggestions for a Simple Standard for Testing the rastness to Light

of Dved Materials (Deady)..................................................................... 242Viscose’ Process for the Manufacture of Artificial Silk: The (Mit-

scherling) ....................................................................................................Use of Lustron as a Decorative Fiber: The (Little)........ ................... 3oWaterproofing Textile Fabrics (Pearson)................................................. 249Woolen and Worsted Finishing (Stewart)............................................... 91Zinc Feri(;cyanide as a Mordant (Carter) . . . . / ................................... 46

PHILADELPHIA SECTION—Meeting, Jan. 8, ’25..................................................... Z;Moth Damage and Moth Prevention (Sachs)................................. 71Meeting, Feb. 13, ’25.................................................................................... 75Meeting, March 13, ’25.................. ........ : ' W ' '• ' .......... U‘-A* ‘The Franklin Process Method of Dyeing—A Description and Dis­

cussion (Wingate). Paper................................................................... 76Meeting, Oct. 23, ’25.................................................................................... 208Meeting, Nov. 13, ’25.................................................................................. 209

Printing of Cotton Fabrics and Related Processes (Hirst). Paper........ 67Ouantitative Studies of the Action of Alkalies (Caustic Soda) on

Rayon Silks ami of the Hygroscopic Properties (Johnson). Paper 238Rayon: The Bleaching, Dyeing and Finishing of Cotton Fabrics Con-

.’ .taining (Arrington). Paper ................................................................... 192

Subject Pag.-Rayon Silks. Quantitative Studies of the Action of Alkajies (Caustic

Soda) on, and of Their Hygroscopic Properties (Johnson). Paper 238 Recent Developments in the Coloring of Acetate Silk (Davies). Paper 251 Recent Developments of New Dyes and Chemicals Abroad (Walker).

Paper ..................................................................................... ....................... 57Reduction of Vat Colors, Including Indigo: The (Mackenzie). Paper.. 179

RESEARCH COMMITTEE—Standard Tests for Fastiiess to Acids and Alkalies and Selection of

Standards Report ................................................................................... 3Meeting, Jan, 9, ’25 ....................................................................................... 59Meeting, March 7, ’25 ................................................................................. 80Meeting, April 11, ’25................................................................................... 130Meeting, May 15, ’25 ................................................................................... 130Meeting, June 26, ’25 ................................................................................. 174Rc‘i)ort (5th Ann. M lg.)................................................................................ 224

Research: Co-operative Textile (Olney)..................................................... 139Research Plans: Tlie Association and Its (Olney).............................. 15.•

RHODE ISIAND SECTION—Meeting, Jan. 15, ’25...................................................................................... 45

Address of Professor Olney..................................................................... 45Zinc Ftirocyanide as a Mordant (Carter). Paper............................ 46

Meeting, March 17, ’25............................................................................... 78Meeting, March 22, ’25......................................... ....................................... 143

The Silx Industry—Past, Present and Future (Scott). Paper. . . . 143Meeting. April 17, ’25................................................................................... 151

The Bleaching of Textiles with Chlorine and Its Compounds(Baker). Paper ................................................................................... 151

Meeting, June 26, ’25................................................................................... 155The Association and Its Research Plans (Olney)................................ 155Address by lion. Jesse H. Metcalf...................................................... 157

Meeting, Nov. 18, ’25.................................................................................... 209Meeting, Dec. 1, ’25 ....................................................................................... 222

Silk Industry—Past, Present and Future: The (Scott). Paper............ 143Silks: The Finishing of fBtrman). Paper..,,.......................................... 98Some Applications of Logwood (Lesser), Paper...................................... 197

SOUTHERN SECTION—Meeting, Jan. 16, ’25................................................. ;•••*......................... 7

Recent Developments of New Dyes and Chemicals Abroad(Walker), Paper .................................................................................... 57

Meeting, April 18, ’25.................................................................................... H7Address of Welcome (Brittain).............................................................. 117The Manufacture and Use of Artificial Silk (Rose). Paper........ 119The Dyeing of Artificial Silk (James).................................................. 122

Meeting, July 18, ’25............................................................................... • 179The Reduction of Vat Colors, Including Indigo (Mackenzie).

Paper ....................................................................................................... 179Multi-Color Effects on Hosiery (Zens). Paper.................................... 184

Meeting, Oct. 10, ’25........................................................... ; .............The Bleaching. Dyeing and Finishing of Cotton Fabrics Containing

Rayon (Arrington). Paper.................................................................. 192Standard Tests for Fastness to Acids and Alkalies and Selection of

Standards ................................................................................................... 3Standard Tests for Fastness to Washing (Scott—5th Ann. Mtg.).......... 228SUB-COMMITTEE ON FASTNESS TO PERSPIRATION—. Report presented at Fifth Annual Meeting............................................. 230SUB-COMMITTEE ON LIGHT FASTNESS—

Report pre.sented at Fourth Annual Meeting.......................................... 42Report presented at Fifth Annual Meeting.............................................. 225

SUB-COMMITTEE ON WOOL—Supplementary Report—Fastness Tests for Dyed Wool: Testing of

Fastness to Washing or Laundering of Dyed Woolen Material... 79Suggestions for a Simple Standard for Testing the Fastness of Dyed

Materials to Light (Deady). Paper...................................................... 242Testing of Fastness to V. ashing or Laundering of Dyed Woolen Ma­

terial—Supplementary Report of Sub-Committee................................ 79Testing the Fastness of Dyed Colors to Light (Gordon)........................ 158Textile Fibers: Modern Chemistry and (Hibbert). Paper...................... 134Use of Lustron as a Decorative Fiber: The (Little). Paper................ 35Vat Colors, Including Indigo; The Reduction of (Mackenzie). Paper. . 179 Viscose Process for the Manufacture of Artificial Silk: The (Mit-

scherling) Paper ................................................................................... 38Waterproofing Textile Fabrics (Pearson). Paper...................................... 249Wool: Effect of Alkalies on—-Importance of pH (Chapin). Paper........ 231Wool: Testing of Fastness to Washing or Laundering of Dyed Woolen

Material—Supplementary Report ............................................................ 79Woolen and Worsted Finishing (Stewart).................................................... 91Zinc Ferrocyanide as a Mordant (Carter). Paper.................................... 46

P a th of L

£ in t b (

sees it. For j u c

view t ie sen tr h a i

But if tl server, it : little from tkm, Th( sitions, hop

quick helpful, esp or unfamilii when one v

In placin consider. T These th ree that a trial i To obtain a out the be'it