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 379
372 MISCELLANEOUS DEVICES. … 1535. DOG-POWER MACHINE.—The plane of the track wheel is setat an angle of about 20°, with itsunder edge bearing i^pon a frictionpulley. Shaft and fly-wheel, withcrank for operating churn.
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.