Antique circa 1895 engraving, illustration of a electric telegraph system in 1809. An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via dedicated telecommunication lines or radio. The 'electrochemical telegraph' created by the German inventor Samuel Thomas von Sömmering in 1809 employed multiple wires (up to 35) to represent almost all Latin letters and numerals. With the telegraph receiver's wires was immersed in a separate glass tube of acid, an electric current applied by the sender representing each digit of a message; at the recipient's end the current
SOURCE: ORIGINAL 19th CENTURY ENGRAVING.
Size: 5632px × 3714px
Photo credit: © Old Paper Studios / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1800, 1800s, 1809, 1890, 1890s, 19th, acid, antique, archival, archive, art, century, communication, current, electric, electrochemical, engraved, engraving, historic, historical, illustration, nineteenth, print, samuel, signals, system, telegraph, telegraphy, thomas, victorian, von, woodcut, ömmering
