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 172
rewed hoop p ; the consequence of which is, the smalltrullion-wheel is made to turn on its axis by the thread of the wheel p in which it works, and therebyultimately raises the cutter-head b, the two side-slings connecting it to the upper frame q, to which isfixed the rack n. This machine is of the… … * Upright boring-bar. b Cutter-head working up and downin the three Vs a. e Driving-pulleys fixed on shaft c. d Bevel-wheel and pinion for convey-ing the motion at right angles. e Worm-wheel. / Upright shaft for working boring-bar. «• Step for shaft. A Foundation plate and boring-boxbearing,…
Mechanical engineering
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