Society of Glass Technology · [Sheffield] · leaf 662
irrespective of any irregularities. When the cylinder iscapped and cracked up into sections, the rotatable platforms allowany section to be turned round into a position convenient forsplitting. G. D. 305. New Process for Drawing Sheet Glass. J. P. Crowleyand C. A. Rowley, Toledo, 0., Assignors to… … Fig. 180. forcing the metal through an aperture or slot of the width andthickness of the desired sheet. The method is impracticable asthe sheets produced are marred and scratched by the walls of theaperture, and the aperture becomes choked by dog metal. Accord-ing to the invention, these obstacles…
Glass
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