Society of Glass Technology · [Sheffield] · leaf 657
d, 57, is closed on it. Onehalf of this mould is fitted with a neck-forming piece, 60, Figs. 176 and 178,and both halves are fitted with ad-justable steadying-pieces, 61, to centrethe tube. At station, E, the bottom ofthe tube is heated more intensely, andat station, F, the bulb is blown in ahinged… … Fig. 176.
Glass
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