Society of Glass Technology · [Sheffield] · leaf 713
Pat., January 29th, 1918, No.1254904. Filed November 11th, 1914, No, 871562).—Theinvention consists of a semi-automatic machine for blowing thin,hollow glassware, such as electric lamp bulbs, and is of that typein which the metal is gathered by hand on a blow-iron, which isthen placed in the… … Fig. 194. MACHINERY FOR THE WORKING OF GLASS. 231 electric motor, 3, which drives, by means of a shaft, 5, a drivingdrum, 9, which rotates on the column, 1. The motor also drives anair pump, 12a, which delivers air under pressure to a storage cham-ber, 14, formed in the top of the column, 1. Each…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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