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 90
vident that the lighter theflow from a given tank, the longer will be the service. This istrue to an even greater extent in the case of dry cells onaccount of the characteristic that the lower the current drainthe greater becomes the useful life. The length of service isincreased, then, for two… … MINIMUM DURATION LENGTHY FLOWOF FLOW PERIODS PERIODSCONTACTiMAKER
Electrical engineering
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