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 410
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… … Fig. 171.—Holt Caterpillar Tractor at Work Ploughing Deep Furrows. The Avery self-lift engine gang plough, havingten ploughshares, is shown at Fig. 173. At Fig. 174the method of raising the ploughshares is clearly outlined.A special broad tread wheel having grouters to insure 404 The Modern Gas…
Farm engines · Internal combustion engines
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