Transatlantic telegraph. William Thomson's (Lord Kelvin 1824-1907) receiving apparatus used at Brest, including his mirror galvanometer (left), an instrument for measuring small electric currents Wood engraving 1877

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Transatlantic telegraph. William Thomson's (Lord Kelvin 1824-1907) receiving apparatus used at Brest, including his mirror galvanometer (left), an instrument for measuring small electric currents Wood engraving 1877

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1877, archival, archive, communication, currents, electric, engraving, historical, history, instrument, lord, measurement, measuring, mensuration, scientific, small, submarine, telegraph, telegraph., thomson, transatlantic, william, wood