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 287
Fig. 189.—Details of a Common Form of Contact for Producing- a WipingSpark. The electrode, X, rotated by the crank, E, as indicated, givesa wiping contact and break at the terminal, Y, which is tipped by aresiliant platinum spring. One of the wires forming the circuit is con-nected at D through the…
Automobiles
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