Society of Glass Technology · [Sheffield] · leaf 498
onton, all in London (Brit. Pat., June 14th, 1921, No. 182664).■—Relates to glass-bottle making machines of the stationary typein which turnover heads are employed and manually operated,and consists in gearing the turn-over heads together in such amanner that the rotation of one head also turns the… … ^J Fig. 22.
Glass
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