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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Size: 3543px × 2855px
Photo credit: © Photo12/Ann Ronan Picture Library / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: /, 1877, communication, currents, electric, engraving, instrument, measurement, measuring, mensuration, scientific, small, submarine, telegraph, telegraph., thomson, transatlantic, william, wood