SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
Telegraph cable laying. Historical artwork of the ship 'Agamemnon' laying the first trans-Atlantic telegraph cable. Agamemnon and her sister ship 'Niagara' made the first attempt to connect North America with Europe in 1857, but the cable snapped and was lost. They tried again the next year and Agamemnon eventually brought the end of the cable to shore on 5 August 1858. The cable consisted of a core of copper wires, surrounded by gutta-percha (latex), tarred hemp and an outer sheath of iron wires. It weighed 625 kilograms per kilometre. Published in La Telegraphie Historique (History of Telegraphy) by Alexis Belloc in 1888.
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