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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 194

An illustration from 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, leaf 194
meter used by radioinspectors for the determination of transmitted wave lengths. Byplacing this near an oscillatory circuit, energy will be absorbed andmaximum current will flow in the wave meter when it is in resonancewith the circuit. A reading is taken at the variable condenser, the fixed… … Pig. 3,122.—Oscillation of ring shaped Hertz resonator excited by oscillation not quite syntonicwith it. When the lamp is in circuit and is found to be glowing brightly itindicates the maximum current flow in the wave meter, whereas onlythe crystal detector indicates the maximum voltage. Three…

Electrical engineering

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