ated to the Moline tractor engine, the valvecover is jacketed and the outlet header or manifold is castintegral with the cover. One explanation of this design isundoubtedly that in a tractor engine, which works con-stantly very close to full capacity, the valves and their ad-jacent parts get very… … National overhead valve engine the water outlet U •!■ ii ht ad < Mm ough a oj the hi ad i a On the l>n Pont the fan pulley is beh■ ati i pump in 11 ont ojthe same simp 56 AUTOMOTIVE INDUSTRIESTHE AUTOMOBILE January IS, 1921
Automobiles · Aeronautics
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-255-146.webp)
