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 250
and best system of boring-mills working vertically, is represented by Figs. 660 and 661, infront view, and section through the axis of the cannon and boring-bar. Here the borer is fixed, whilethe cannon turns round its axis, and moves up and down in a sledge, and by its weight the requiredconstant… … 2U CANNON. spindle S. The latter is, together with the cannon, turned round their common axis by a motive powerbetween the fixed rails Oi and 0.,, 1)) means of the cog-wheel U, the spring-wheel V, and a cog-wheelat the vertical shaft W. The boring-spindle is provided with a bell-shaped runner of…
Mechanical engineering
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