Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 51
128. INTERNAL SPUR GEAR and Pinion.—In this style of gearing more tooth surface is in con-tact than with outside teeth; it has less wear and greatpower. Much used in hoisting machines. … 129. BEVEL GEARS, when of equal diameter.MITER GEARS, when of unequal diameter. mnngnint-i 130. CROWN WHEEL geared with a .spurwheel. Used for light work. A very old device.
Mechanical movements
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