Society of Glass Technology · [Sheffield] · leaf 581
136 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. … Fig. 90. for pressed ware with knobs or projections, and for the automaticemptying of such moulds merely by inverting them. Fig. 90 shows such a mould inverted for theremoval of a glass lid. It consistsof a base plate, 5, having a pair ofintegrally formed ears, 6, to each ofwhich is pivoted one of…
Glass
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