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 73
at everysignal. -llilH- Ai -Q^O $* Fia. 44 (Fig. 8 of Slabys book).—Slabys arrangement of Coherer and oftapper-back and relay connections. The actual apparatus is depicted in two views, Figs. 45 and46, where will be recognised on the left-hand side the cohererand tapper-back; in the middle the… … TELEGRAPHIC APPLICATIONS. 65
Electric waves · Telegraph, Wireless · Electricity · Wireless Technology
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