Society of Glass Technology · [Sheffield] · leaf 741
Fig. 187. … Fig. 188. Illinois (U.S.A. Pat,, No. 1443470, January 30th, 1923. FiledJanuary 26th, 1920, No. 354304).—Glass rods, 50, Fig. 188, are fedfrom a magazine in turn and brought step by step up to the anti- MACHINERY FOR THE WORKING OF GLASS. 297 friction rollers, 124 and 125. The frame, 134, then…
Glass
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