Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 286
usted laterally by the set-screws. Fig. 584 is a front elevation of the back-plate cast on the post; it willbe seen that the holes are oblong, to admit of the vertical adjustment of thebracket. The Sellers pillow-block (Figs. 579 and 580) maybe used for the samepurpose. For Upriglit… … ,^/U^ Fig. 585. ened to the base on which it rests ; in the case of heavy shafts, often to a baseof granite. The box B is placed on A, the bearing surface being accuratelylevelled, and fitted either by planing or chipping and filing ; the bearing sur-faces b are commonly called chipping-pieces,…
Mechanical drawing
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