Inside Out Library
Mechanical movements, powers and devices (1911)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 30
THE LEVER AND ITS POWER.The weight of lever is not considered. 11. First order. u—I, ^ a-Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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