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 409
vised for use with the gas tractor. That at Fig. 172shows a conventional five bottom gang with hand op-erated levers to control the depth of cut and the actionof the ploughshares. Most power ploughs are providedwith a wheel or colter which is placed just in advanceof the plough point so it will be… … The Modern Gas Tractor 403 on the plough and control the levers as desired. Asthis means that two men must be employed in plough-ing, another form of gang plough which is known asthe self-lift has been devised to make it possible forthe engineer of the tractor to control the ploughs directlyfrom…
Farm engines · Internal combustion engines
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