Society of Glass Technology · [Sheffield] · leaf 666
ding-members, 6, 7, being arranged in betweenthe crown and the block to protect the sheet, 3, as it is drawn. Arefractory trough or receptacle, 10, provided with a central slot,11, and side slots, 12, 13, arranged and shaped as shown in Fig. 142,is placed beneath the line of generation of the… … // IS 13 — ■—7- ^ __ > / ^ -,—/ 1 /4 l/2 ^-io 2 j 10 12 II y2
Glass
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