Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 228
847. REVERSIBLE ROADROLLER.—The tongue is at-tached to the frame that carriesthe drivers seat, and is bal-anced by the weight on therear arm. By unlocking thecatch the horses wheel aroundthe roller with the tongue andseat frame, and the tongue isrelocked on the other side of thewheel frame. … 848. ROAD ROLLER.—Steam-driven. One of the heavy classnow improving our roads.
Mechanical movements
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