Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 32
o:h- 27. CHINESE WHEEL, or difieren-tial axle, with crank or pulley. a = radius large drum.^ = radius small drum. ^^ = P X r x 2 p = Wx {^—^) r X 2 THE MECHANICAL POWERS. w &-. TACKLE BLOCKS. ^ ^ 28. Two single sheaves, a, b, c are of equal ^ strain. «-f (^ = W. Sheave A only transfers ^Y^ - ^^…
Mechanical movements
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