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Movement 415
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415. P. Dickson’s patent device for converting an oscillating motion into intermittent circular, in either direction. Oscillating motion communicated to lever, A, which is provided with two pawls, B and C, hinged to its upper side, near shaft of wheel, D. Small crank, E, on upper side of lever, A, is attached by cord to each of pawls, so that when pawl, C, is let into contact with interior of rim of wheel, D, it moves in one direction, and pawl, B, is out of gear. Motion of wheel, D, may be reversed by lifting pawl, C, which was in gear, and letting opposite one into gear by crank, E.

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