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 418
seach side of pinion-geer g, pressure to which is given by a small hand-wheel, the quantity of feed canbe raised so as to suit the size of the hole to be drilled. The circular table F F on which the work to be DRILLING-MACHINE. 409 drilled is laid, is prevented from turning round by means of a stop… … Scale.—2 feet=l inch. A machine of gigantic dimensions has been constructed by Nasmyth for the Great Western SteamNavigation Company. In this machine, the entablature carrying the upper end of the boring-bar is supported on twomassive pillars of masonry, placed one on each side of the boring-bar.…
Mechanical engineering
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