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 296
otating disc. This spindle formsone terminal of the induction coil primary. The spring bearingupon the periphery of the rotating disc is connected direct tothe negative pole of the battery. By this means, whenever the METHODS OF IGNITION. 283 brass plate on the disc comes in, contact with the… … Fig. 199.—The Benz Jump-Spark Circuit. Unlike the De Dion system justdescribed, both the primary and secondary circuits are carried by visi-ble leads, no part of either being grounded to the frame. The circuitemerging from the positive pole of the battery passes through wire, A,to binding post, A…
Automobiles
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