Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 47
ojection on the under sideof the horizontal bar, moving it one direc-tion. The return motion is given by meansof the bell-crank or elbow-lever, one arm ofwhich is operated upon by the next stud,and the other strikes the stud on the frontof the horizontal bar. 154. Circular motion into alternating… … 156
Mechanical movements
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