Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 128
freeof oil and springs adjusted to secure good contact. Most operators pay too little attention to the secondary circuitcontacts. These also should be kept clean, true, and springs properlyadjusted. When an engine will not start on the magneto or requires unusuallyrapid spinning to effect ignition,… … Fig. 3,999.—Filing slot for cleaning platinum contacts of Connecticut magneto interrupter.The cup holding the interrupter or primary circuit breaker may be withdrawn from itshousing. The slot serves as a guide for a small flat file for cleaning and squaring thecontact points. By means of an…
Electrical engineering
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