div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader030fdocumentsusreader030viewer20220218015b3b17c67f8b9a560a8c43e9html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: UK Catalogue c - CIBSE Heritage Group · positive piston type and the modern centrifugal pump than ammonia the best previously way perfect sealing is effected without the src=https:reader030fdocumentsusreader030viewer20220218015b3b17c67f8b9a560a8c43e9html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divpUK Catalogue c1930pdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader030fdocumentsusreader030viewer20220218015b3b17c67f8b9a560a8c43e9html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: UK Catalogue c - CIBSE Heritage Group · positive piston type and the modern centrifugal pump than ammonia the best previously way perfect sealing is effected without the src=https:reader030fdocumentsusreader030viewer20220218015b3b17c67f8b9a560a8c43e9html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 3button div class=trans-image a href=https:reader030fdocumentsusreader030viewer20220218015b3b17c67f8b9a560a8c43e9html5page3jpg target=_blank amp-img class=trans-thumb alt=Page 3: UK Catalogue c - CIBSE Heritage Group · positive piston type and the modern centrifugal pump than ammonia the best previously way perfect sealing is effected without the src=https:reader030fdocumentsusreader030viewer20220218015b3b17c67f8b9a560a8c43e9html5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 4button div class=trans-image a href=https:reader030fdocumentsusreader030viewer20220218015b3b17c67f8b9a560a8c43e9html5page4jpg target=_blank amp-img class=trans-thumb alt=Page 4: UK Catalogue c - CIBSE Heritage Group · positive piston type and the modern centrifugal pump than ammonia the best previously way perfect sealing is effected...