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 416
pindle in ordinary cases; and when thetool has a hold in the hole which is being bored, the balance-weight can be assisted in its office by thehand-wheel placed on the axis of one of the wheels J; the wheel and screw will thus for the time beconverted into a pinion and rack DRILLING-MACHINES. See… … Scale.—1 foot=l inch. 408 DRILLING-MACHINE. tion of this very complete machine. Fig. 1134 is a front view of the machine. Fig. 1185 is a side ele-vation in the plane of tlic axis of tin ilrivin^-cone and work-table. Tin frame of this machine is of iron, cast in one piece, having a broad base or…
Mechanical engineering
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