Society of Glass Technology · [Sheffield] · leaf 721
rods, 53, 56. The leading-in wires are positioned insupports, 110, on the clamp, 80, and in guide-tubes, 102, pivotedat their lower ends in a member, 103, a yoke, 104, drawn downby springs, 106, tending to draw the upper ends of the tubes, 102,together. Springs, 60, 86, 95, tend to close the… … Fig. 213. a bell-crank lever, 45, by a link, 43, pivoted to a sleeve, 36, sur-rounding the shaft, 34. These movements are effected by a handle,37, secured directly to the sleeve, 36, and adapted to turn theshaft, 34, through contacting fingers, 39, 35. The clamps, 80, 91,can be opened only by…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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