Society of Glass Technology · [Sheffield] · leaf 720
MACHINERY FOR THE WORKING OF GLASS. 319 … Fig. 212. machine. Thus, the timing of the valve may be adjusted whilethe machine is in motion by adjusting the nuts on the rod, 13. H. G. C. 413. Device for obtaining Charges of Molten Glass. Pilk-ington Bros., Ltd., A. C. Pilkington, and J. Gaskell, all inSt. Helens, Lancashire (Brit, Pat., No.…
Glass
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