Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 29
14. Bell Crank or Angular Lever, firstorder. Same notation as No. 11. … 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 an gle) b eft (^—^—4^ ti ^^ 17- Compound Lever, first order -i ^ «X^ w Px^X^ 1^ aJ. lA lJ—
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
