Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 27
15. Bell Crank or Angular Lever,second order. Same Notation as No. 12. 16. Bell Crank or Angular Lever,third order. WX 0 + ( a X cosine of a nglej =P … ^P 17. Compound Lever, first order. t ay. a! 1^ ■ V XaX a Y a^-~.—A-l/- ^XbXb = W, ax a ■D 18. Compound Lever, first and second orders.
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
