Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 30
T b P p X ^ X (^4-^) bxbW XbX b ^ W a X (a + b ) The differential weight of lever arms must be adjusted to theproper factor for accurate computation. THE MECHANICAL POWERS. 21 … 19. Revolving Lever, first order.W= V X a P = W X ^ P 20. Revolving Lever, second order.W= P X (^ + ^) P = W X /^ 21. Revolving Lever, third order.- W = P X ^ P = W X (^ + ^)
Mechanical movements
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