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1836. March.—Cooke invents the mechanical telegraph and alarum, in which signals and sounds are given by the removal of the detent of clockwork by the voltaic magnet.—(P. 53.) Also the detector.
1836. April 22nd.—Cooke returns to England to work out his scheme of realizing the old idea of an electric telegraph.—(P. 53.)
1837. January.—Negotiates with the Liverpool and Manchester Railway Company for the use of his "so-called mechanical telegraph."—(P. 53.)
1837. May.—The first electro-telegraphic patent applied for by Cooke and Wheatstone for their joint inventions.— (P. 55.)
1837. "Baron Schilling ordered a sub-marine cable to be made to unite Cronstadt with the capital, through the Gulf[1] of Finland, for telegraphic correspondence." (?) (P. 67.)
1837. 25th July.—"A trial was made at the terminus of the London and Birmingham Railway, then
- ↑ This is a remarkable statement of Dr. Hamel's, and should be well vouched for, as it would make Baron Schilling the father of submarine telegraphy.
