Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 31
^ 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 angle ) = P te-—5—4j (:i ^P 17. Compound Lever, first order. q^l—-—A (i aXa W PX^X^ … dX ^ ~ P W X ^Xl>ax a bxb = W, ^V 18. Compound Lever, first and second orders.
Mechanical movements
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