Society of Glass Technology · [Sheffield] · leaf 719
Fig. 200. 236 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. … Fig. 201. 343. Pressing Plunger Mechanism. W. J. Miller (U.S.A.Pat., December 30th, 1919, No. 1326365. Originally filedAugust 11th. 1917, No. 185647. Divided, and this applicationfiled June 22nd, 1918. No. 241431).—Detailed methods are given for mounting a,_a^ rpp jap plunger in a pressing machine…
Glass
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