The electric telegraph: was it invented by Professor Wheatston e? (1856)
Cooke, William Fothergill, 1806-1879 · London, Sold by W. H. Smith and Son · leaf 91
r cession. The revolving mirrors were not required J I V.to move at all accurately together; the only differ- ^ ^* ence in the signals at the different stations would . , be, that the sparks constituting them would be ^ * spread more or less, but their number and order ^ ^- ^ U would remain the… … 84 COOKE AND WHEATSTONes ARBITRATION. 1836 ; I have not continued these experiments, butthe principles employed in them have been of great356. use to me in my most recent investigations. Myrythmical telephone, invented last year, is but amodification of it, in which the strokes of a bell…
Wheatstone, Charles, Sir, 1802-1875 · Telegraph
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