The gasoline engine on the farm; a practical, comprehensive treatise on the construction, repair, management and use of this great farm power as applied to all farm machinery and farmer's work indoors and out .. (1913)
Putnam, Xenophon Whiting, 1867- · New York, The Norman W. Henley Pub. Co. · leaf 76
Fig. i6.—Longitudinal and Cross Section of Typical Piston. escape of gases past it is prevented by introducingexpansive rings into grooves cut in the surface of thepiston. The rings should fit closely but smoothly intheir grooves and, by their tendency to expand, should
Internal combustion engines · Farm engines
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