Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 231
861. DIFFERENTIAL GEAR for a tricycle. The bisectedshaft is connected to a pair of pinions by universal joints. Thepinions are pivoted at an angle of about 30° in a free-moving sleeve box. … 862. BABY-CARRIER TRICYCLE.—An extension of the driving axle of anordinary bicycle, with a supplementarywheel to balance and for safety, so thata convenient vehicle is made for carryingchildren or packages NAVIGATION AND ROADS. 22
Mechanical movements
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