Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 97
20 = 107 turns before the valve is closed again. And this would be true whetherthe 20 turns were made very quickly, very slowly, or intermittently.§ 65. Mechanism of an Automatic Power Chuck.—A secondapplication of differential motion which may be noticed is themechanism of an automatic power… … 86 , MECHANISM. type is the three- or four-jawed chuck (Fig. 87), which consistsof a face plate provided with three or four jaws which arecapable of sliding along radial grooves. Theycan be moved independently by means ofscrews, and the work can be truly centredby manipulating these screws. The…
Machinery, Kinematics of
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