Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 322
. After the initial load has beenapplied, this ring is rotated by the pinion-shaft, 68, to bring the screw-faces incontact, see Fig. 3, and the abutting piece, 64, is thus clamped firmly to theannular beam against which it rests. When the specimen breaks, its first blowis delivered through the… … 30,000-LB. DYNAMOMETER AND SCALE-CASE.For Weighing Tractive Force of Locomotives.Centre of draw-bar adjustable from 28 above foundation to 46. 3i8 Wm. SelIvErs & Co., Incorporated, Philadelphia, Pa. these beams, 65 and 69, are rigidly united, the blow is absorbed by the total massof these two…
Machine-tools · Machinery
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