Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 216
Section XII.ROAD AND VEHICLE DEVICES, ETC. … 534. ROADGRADINGWAGON. Withshifting tonguedevice on theframe to allow ofclose scraping oneach side of theroad. An elevat-ing gear for therake and scraper. 535. TRACTION WHEEL. In this wheel the projections of therim are yieldingly held, or they may be withdrawn entirely from the surface or held…
Mechanical movements
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