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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 237

An illustration from The electric telegraph: was it invented by Professor Wheatston e?, 1856, leaf 237
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Wheatstone, Charles, Sir, 1802-1875 · Telegraph

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