Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · 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 great,power. Much used in hoisting machines. … 129. BEVEL GEARS, when of equal diameter^MITER GEARS, when of wnequal diameter.
Mechanical movements
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