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8 results filtered with: Telegraph
  • The Central Telegraph Office: Instrument Gallery.
  • The British military expedition against the Bruges-Ostend canal, 1798: Joseph Jekyll M.P provides two different reports on it by telegraph, using rolled-up newspapers as telescopes. Coloured etching by J. Gillray, 1798.
  • Telegram sent by G. Marconi in Wimereux to Édouard Branly in Paris, acknowledging Branly's work in developing the electric telegraph across the Channel. Photograph, ca. 1899.
  • Making the Steel Wires for the Atlantic Telegraph Cable of 1865.
  • The Cliffs at Porthcurnew Bay, Cornwall.
  • Magnetism: electrical equipment and magnetic phenomena. Coloured engraving by J. Emslie, 1850.
  • The Coiling of the Atlantic Telegraph Cable on Board H.M.S. "Agamemnon."
  • Testing the Recovered Atlantic Telegraph Cable of 1865.