Society of Glass Technology · [Sheffield] · leaf 465
,O3, O4, on a stud shaft, Oo. The speed with which the weightfalls is controlled to accelerate or decelerate the movement of thework by means comprising a dash-pot, R, the crank arm E^ ofaxis; further, the work and grinding disc are separated automatic-ally when the grinding is complete. The work… … Fig. 33. set so that the effective weight of the treadle, O^, varies during the grinding operationadded Additional weights, Nj^, N^^, may be When the grinding operation is finished, the toggle arms,5, which form the means whereby the nut, N^, and weight. iVg, are locked together, are bent by a…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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