Self-propelled vehicles; a practical treatise on the theory, construction, operation, care and management of all forms of automobiles (1906)
Homans, James E. (James Edward), b. 1865 · New York, T. Audel & Company · leaf 306
ETHODS OF IGNITION. 293 Wiring a Spark=Gap.—In wiring the spark-gap it is neces-sary only to open the secondary circuit and insert the device.If it is to be mounted on the dash board, heavily insulated cablemust be used, as the high tension current is liable to short-circuit with ordinary bell-wire… … Fig. 211.—American Indestructible Sparking Plug. This plug has twoessential parts—the shell carrying one electrode, which screws into themetal of the cylinder, and the core composed of mica, through whichruns the other terminal, the two being joined together by screw con-nections as shown. The…
Automobiles
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