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An elementary manual of radiotelegraphy and radiotelephony for students and operators (1916)

Fleming, J. A. (John Ambrose), Sir, 1849-1945 · London, Longmans, Green & co. · leaf 334

An illustration from An elementary manual of radiotelegraphy and radiotelephony for students and operators, 1916, leaf 334
ue. This inductance is in circuit with an oscillationdetector, say, of the electrolytic type, and is shunted by a con-denser of variable capacity. The capacity of the condenser isthen varied until the coupled circuit is in resonance, and thestandard inductance gradually moved away from the antenna… … Fig. 13.—The Donitz Wave Meter. capacity either way causes the sound in the telephone to dis-appear. The capacity in microfarads is then noted, and also thevalue of the standard inductance in centimetres, and the wavelength in metres obtained from the formula A = 59 G\/C „ L V ^-^ mfJs - cms 8.…

Radio · Telegraph, Wireless · Telephone, Wireless

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