With Siemens & Halske's activities in telegraphy entering a new phase
of expansion in 1866, Werner von Siemens initiated a revolutionary idea to
construct a telegraph line reaching all the way from London to Calcutta. He
conceived that dispatches would be transmitted by means of induced current,
fully automatic, and continuously. The company was given the contract to build
large sections of the 11,000-km line which was completed on April 12, 1870.
William Siemens helped him in demonstrating the possibility to exchange
telegrams with Calcutta within the space of an hour.
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