enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Electrical telegraphy in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/Electrical_telegraphy_in...

    In comparison, the cost of the telegraph across the whole of continental Europe was only £4 million. [189] It was alleged in Parliament, somewhat speculatively, that a new UK telegraph system could have been built from scratch for £2 million. [ 190 ]

  3. Telegraphy - Wikipedia

    en.wikipedia.org/wiki/Telegraphy

    The electric telegraph was slower to develop in France due to the established optical telegraph system, but an electrical telegraph was put into use with a code compatible with the Chappe optical telegraph. The Morse system was adopted as the international standard in 1865, using a modified Morse code developed in Germany in 1848. [1]

  4. Electrical telegraph - Wikipedia

    en.wikipedia.org/wiki/Electrical_telegraph

    Cooke and Wheatstone's five-needle telegraph from 1837 Morse telegraph Hughes telegraph, an early (1855) teleprinter built by Siemens and Halske. Electrical telegraphy is a point-to-point text messaging system, primarily used from the 1840s until the late 20th century.

  5. Optical telegraph - Wikipedia

    en.wikipedia.org/wiki/Optical_telegraph

    The operational costs of the telegraph in the year 1799/1800 were 434,000 francs ($1.2 million in 2015 in silver costs [35]). In December 1800, Napoleon cut the budget of the telegraph system by 150,000 francs ($400,000 in 2015) [35] leading to the Paris-Lyons line being temporarily closed. Chappe sought commercial uses of the system to make up ...

  6. Communications in the Isle of Man - Wikipedia

    en.wikipedia.org/wiki/Communications_in_the_Isle...

    Following the 1869 finalisation of UK telegraph nationalisation into a General Post Office monopoly, the Isle of Man Electric Telegraph Company was nationalised in 1870 under the Telegraph Act 1870 (an Act of Parliament) at a cost to the British Government of £16,106 (paid in 1872 following arbitration proceedings over the value). Prior to ...

  7. Earth-return telegraph - Wikipedia

    en.wikipedia.org/wiki/Earth-return_telegraph

    Earth-return telegraph is the system whereby the return path for the electric current of a telegraph circuit is provided by connection to the earth through an earth electrode. Using earth return saves a great deal of money on installation costs since it halves the amount of wire that is required, with a corresponding saving on the labour ...

  8. Telecommunications in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in_the...

    Telecommunications in the United Kingdom have evolved from the early days of the telegraph to modern fibre broadband and high-speed 5G networks. History Company logo on porch of 17 & 19 Newhall Street, Birmingham (former Central exchange) National Telephone Company (NTC) was a British telephone company from 1881 until 1911, which brought together smaller local companies in the early years of ...

  9. Needle telegraph - Wikipedia

    en.wikipedia.org/wiki/Needle_telegraph

    A single needle telegraph (1903) A needle telegraph is an electrical telegraph that uses indicating needles moved electromagnetically as its means of displaying messages. It is one of the two main types of electromagnetic telegraph, the other being the armature system, [1] as exemplified by the telegraph of Samuel Morse in the United States.