Practical hand book of gas, oil and steam engines, stationary, marine, traction; gas burners, oil burners, etc.; farm, traction, automobile, locomotive; a simple, practical and comprehensive book on the construction, operation and repair of all kinds of engines (1916)
Rathbun, John B. [from old catalog] · Chicago, Charles C. Thompson co · leaf 247
ost the currentfollows the central electrode B to its terminal at D. At D abreak in the circuit occurs which is called the spark gap. Itis at this point that the spark occurs, the current jumping fromD to point K through the air. Point K is fastened in thethreaded metal sleeve E which is in turn… … Fig. 99. Bosch Spark Plugs the combustible charge, at the point marked spark in the cut. If the fuel, lubricating oil, and air are not supplied in properproportions, soot will be deposited on the lower surface of theporcelain, and as soot is an excellent conductor of high tensioncurrent, the…
Internal combustion engines · Traction-engines
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