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
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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