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 31
raphy, forthe jars and their circuits must be accurately tuned together,if there is to be any response. A very little error in tuning,easily made by altering the position of the slider (Fig. 4),will make them quite unresponsive, unless the distancebetween them is reduced. At the maximum distance of…
Electric waves · Telegraph, Wireless · Electricity · Wireless Technology
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