Society of Glass Technology · [Sheffield] · leaf 520
Fig. 75. delivery of successive uniform charges of molten glass from theopening, s (Fig. 75), of a tank, a, two blades, n, n1, rigidly mountedon sliding rods, o, are employed. The rods, o, are moved to the no JOURNAL OF THE SOCIETY OF CLASS TECTTNOLOOY, right, so as to uncover the opening, .?, by…
Glass
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