Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 320
1259c. HAND POWER ROCKDRILL, Jackson model.—A power-ful helical spring drives the drillforward. The crank operates a camwiper for drawing back the drill;the motion is regulated by the flywheel. … 1259J. FREE RUN-NING AXLES for miningcars. The divided axle heldtogether by grooved bear-ings, makes a light runningcar on the small curves inmines.
Mechanical movements
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