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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 241
Drawing X. Moncke. Prior to March,1836. Cooke.March, 1836. Wheat stone. Prior toFebruary, 1837. Cooke.April, 1837. Partnership. … r^ First Patent.June 12, 1837. Second Patent.April 18, 1838.Wheatstone, Charles, Sir, 1802-1875 · Telegraph
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