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 80
by Mr. Marconi and the telegraph officials who assisted himin his early experiments in this country. The other box shown in Fig. 51 is probably a stand-byin case of accident. It is difficult to imagine a simpler contrivance, and itappeared to work at Dover dependably, the messages comingout slowly… … 72 SIGNALLING WITHOUT WIRES. instrument or the relay, or the circuit as a whole, enabledthis excellent result to be attained with apparent ease. A diagram of Marconis connection of sensitive tube to therelay and tapper-back and Morse instrument, where W repre-sents the elevated wire, is given in…
Electric waves · Telegraph, Wireless · Electricity · Wireless Technology
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