Society of Glass Technology · [Sheffield] · leaf 596
Fig. 109. 1447647, March 6th, 1923. Filed December 15th, 1920, No.430880).—The invention relates to the Colburn process of drawingsheet glass in which a sheet, 1, is drawn from a mass of metal, 2, 152 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. and while still plastic is passed around a bending…
Glass
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