div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document199908-orwell-shape-to-a-depth-in-the-centre-of-the-disc-of-6mm-this-involveshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: 199908 - Orwell Astronomical · shape to a depth in the centre of the disc of 6ómm This involves the removal of about 15Kg of glass by hand grinding This is a muscle building loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220416015e3118fe17a28960b52cf8d8html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document199908-orwell-shape-to-a-depth-in-the-centre-of-the-disc-of-6mm-this-involveshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: 199908 - Orwell Astronomical · shape to a depth in the centre of the disc of 6ómm This involves the removal of about 15Kg of glass by hand grinding This is a muscle building loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220416015e3118fe17a28960b52cf8d8html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=document199908-orwell-shape-to-a-depth-in-the-centre-of-the-disc-of-6mm-this-involveshtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: 199908 - Orwell Astronomical · shape to a depth in the centre of the disc of 6ómm This involves the removal of about 15Kg of glass by hand grinding This is a muscle building loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...