Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 332
entral stud and length of the levers: Layo£f EH —I stroke AB and FN — i stroke CD on opposite sidesof EF, and draw HN. The intersection of HN with FE is thecenter of oscillation. Draw GK at right angles with HN and Gand K are the middle and extreme positions of the upper pin. DrawMR at right angles… … Fig. 24.—^Laying out vibrating levers.
Machine design
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