Society of Glass Technology · [Sheffield] · leaf 480
1920. No. 367200).—Relatesto the process of drawing glass inflat sheets and consists of means forpreserving straightness and uni-formity in width of the sheet as itis drawn. For this jjurpose, theinvention consists of the use ofwater-jackets, C, surrounding theedges of the sheet and situated… … Fig. 55.
Glass
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