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 75
03,0 O o Qj 03 n-, 02 Ph to ca- tsEn 66 SIGNALLING WITHOUT WIRES. A Morseinstrument is to be connected to the terminals M,and either it or the bell can be switched into the circuit atpleasure. The form of relay depicted is special to Slaby, butthe rest of the arrangements are practically identical… … Fig. 47 (Fig. 19 of Spark Telegraphy ).—Diagram of Slabys connectionsin the above apparatus. F is the coherer and K the tapper-back. During September, 1899, the Marconi method of signallingto long distances was demonstrated before the British Associa-tion at Dover. The chief feature of the…
Electric waves · Telegraph, Wireless · Electricity · Wireless Technology
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