Society of Glass Technology · [Sheffield] · leaf 475
ds, 32, Fig. 37,are mounted on a table whichis rotated step by step abouta central hollow vertical col-umn, 41. Each mould has abottom, 33, which is lifted toeject the finished ware, and aring mould, 35, which isperiodically lifted and swungto one side when the finishedware is ejected. The… … MACHINERY FOR THE WORKING OF GLASS. 45 which works in a cylinder, 44, that slides in vertical guides. 42, 43,the upper side of the piston being open to the atmosphere, whilecompressed air is admit-ted by a pipe, 51, tothe space below thepiston. The cylinder,44, has a cross arm, 55,to which a…
Glass
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