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Signalling through space without wires : being a description of the work of Hertz & his successors (1900)

Lodge, Oliver, Sir, 1851-1940, Hertz, Heinrich, 1857-1894 · London : "The Electrician" Printing and Publishing Company, Limited · leaf 17

An illustration from Signalling through space without wires : being a description of the work of Hertz & his successors, 1900, leaf 17
Fig. 6.—Circular Resonator. (The knobs ought to nearly touch each other.) He worked out every detail of the theory splendidly,separately analysing the electric and the magnetic oscillation,using language not always such as we should use now, buthimself growing in theoretic insight through the… … Fig. 6a.—Any circular Resonator can be used as a sender by bringing itsknobs near the sparking knobs of a coil ; but a simple arrangement is totake two semi-circles, as in above figure, and make them the coil terminals.The capacity of the cut ends can be varied, and the period therebylengthened, by…

Electric waves · Telegraph, Wireless · Electricity · Wireless Technology

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