Patent model of Samuel F. B. Morse's telegraph register, 1849

Morse began experimenting with electromagnetic telegraphy in the 1830s but did not achieve practical success until 1844, when he transmitted a coded message along a wire from Baltimore to Washington, D.C. This model of Morse's telegraph register was among the patent models transferred to the Smithsonian from the Patent Office in 1908.

See also: Patent Models

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