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 70
he coherer current are clearly described, and signalling waseffected for a distance of 5 kilometres (3 J miles). TELEGRAPHIC APPLICATIONS. 61 An extract from this communication is given in TheElectrician for December, 1897, Vol. XL., page 235, and fromit we reproduce Fig. 42, illustrating the… … Fia. 41 (Fig. 7 of Specification 29,069/97).—Diagram of connections ata protected Coherer Station with Syntonic Radiator and Collector. relay, for sound signals and as an automatic tapper for thecoherer, I obtain an apparatus which exactly answers everyelectric wave by a short ring, and by…
Electric waves · Telegraph, Wireless · Electricity · Wireless Technology
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