Society of Glass Technology · [Sheffield] · leaf 745
Fig. 240. … Fig. 241 MACHINERY FOR THE WORKING OF GLASS. 263 circular table, which, in rotating, carries the tumbler supportsthrough a furnace or glory-hole, g. The plugs, b, are mounted onball bearings, ?n, and are rotated by a chain passing round theouter side of the chain wheels, n, mounted on the plug…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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