tacts should be oxidized tosuch an extent at starting that the high resistance ofthe oxide makes the magneto inoperative, the completedcircuit through the silver contacts which do not oxidizereadily will allow the magneto to function and the sparkwill be produced when the silver contacts separate.… … FELT OILINGWICKFig. 16—Mason two point Interrupter. Fig. 17—The Atwater Kent interrupter. cleans them, and because of the fact that the tungstencontacts separate last, the final interruption of the cir-cuit transfers to the tungsten contacts as soon as theybegin to conduct current. It therefore…
Automobiles · Aeronautics
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