Society of Glass Technology · [Sheffield] · leaf 589
Fir;. So. 106 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. … Fig. 86. 144. Drawing Glass Cylin-ders. Halbert K. Hitchcock(U.S.A. Pat., July 15th, 1919,No. 1309942. Filed October8th. 1917. No. 195438).—A take-down apparatus for use in draw-ing cylinders comprises aninclined frame, 5 (Fig. 86), verysimilar to the jib of a crane,turning about an horizontalaxle,…
Glass
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