Society of Glass Technology · [Sheffield] · leaf 510
Fig. 52. Fig. 53. fingers, 1, 2 (Fig. 52), preferably made of carbon, and flared out-wards at their lower ends. The carbon fingers are secured to metallicplates, 3, 4, which are hinged at 6. The opening between the twofingers is controlled by the tension bolt, 8. In operation the glass article…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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