Society of Glass Technology · [Sheffield] · leaf 542
sign on the mould plate. The use of the device forthe production of a plurality of headlight lenses in one operationis suggested. G-. D. 74. Casting Plate Glass. W. L. Clause (U.S.A. Pat.,April 1st, 1919, No. 1298893. Filed January 12th, 1912. No.670740).—Relates to a means of casting plate glass… … Fig. 44.
Glass
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