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 141
machinery steel attached to the head byriveting, the other where the valve is machined from aone-piece forging of nickel or machinery steel. Bevel-seated valves are generally used in gasoline engines andmost of these are provided with screw-driver slots ontop of the head in order that they may be… … Fig. 44.—Front View of Power Plant With Timing Gear CaseCover Removed, Showing Conventional Method of Driv-ing Cam Shaft. tion than either of the two previously mentioned becausethere is no possibihty of the valve heads becoming looseon the stem as is sometimes the case when a cast-ironhead is…
Farm engines · Internal combustion engines
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