Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 32
a axb_ W = w P X ^ X (^+ ^)bxb 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 = P X ^ P = W X ^ a p 20. Revolving Lever, second order.W= P X {a-{-b) P ^ W X ^a-^b 21. Revolving Lever, third order.W:rr PX b P = W X (« + ^)
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
