Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 221
818. FEATHERING PADDLE WHEELOR WATER MOTOR.—The paddles arekept in a vertical position by a planetary gear.The central gear is fixed. The pinions andgear on the arms keep the paddles in a ver-tical position in the water.
Mechanical movements
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