The modern gas tractor, its construction, utility, operation and repair: a practical treatise defining every branch of up-to-date gas tractor engineering, driving and maintenance in a non-technical manner. Considers fully all types of power plants and their components, methods of drive and speed changing mechanisms. Describes design and construction as well as practical application of tractors in the field (1919)
Pagé, Victor Wilfred, 1885-1947 · New York : Scientific American Pub. Co. · leaf 419
, Kansas, Pulling a Double Disc and Lever ToothHarrow. drill, which seeds a strip eight feet wide, a pull of 450pounds will be needed for each drill hauled. An easily made and simple drill hitch is outlined atFig. 178. The method of attaching the drill is so clearlyshown that further comment is not… … Fig. 183.—Details of Easily Constructed Harrow Hitch forFour Ten Foot Disc Harrows. At Fig. 179 a method of utilizing wrought iron pipeand fittings so that three 12-foot drills will obtainequal draft from the tractor drawbar is outlined. Anold wagon a,xle is cut in half and one wheel is attachedat…
Farm engines · Internal combustion engines
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