Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 103
.yit adjusting screw of the point-bar, on which the upper fork of the bar Si is acting, Figs. 288, 289yh adjusting screws of the point-bar, which strike against the side-frame A and Ai, Fig. 285. 2, a trigger, Fig. 286. z \ dented bars for the lockers, Figs. 284, 287, 311, 312, 314. e, foot-screws…
Mechanical engineering
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