Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 246
and best system of boring-mills workingvertically, 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… … V~ 1 tl * ,■•.-.-•. - ,-v JJ- S 8 §■ «r (:== ::--.-.•. I1 n^,_^-_, I \n0 1 s r tl | §| Ml =>> |||l|j J i ==.-. L- fcS & tM3 11 1 is a,6Q D r =. W 3 j - 3_JSB EI LSI 1 3 n E1 ! 0 JhUl
Mechanical engineering · Mechanics · Engineering
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