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  2. 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 ...

  3. Telegraphy in the United States - Wikipedia

    en.wikipedia.org/wiki/Telegraphy_in_the_United...

    Telegraph service permitted short texts to be sent cheaply and arrive in a matter of minutes to hours, instead of days or weeks. Telegraphy facilitated faster and more profitable freight and passenger railway traffic, consolidated financial and commodity markets, sped political news and commentary, and lowered information costs for companies. [1]

  4. Telegraphy - Wikipedia

    en.wikipedia.org/wiki/Telegraphy

    The word telegraph (from Ancient Greek: τῆλε 'at a distance' and γράφειν 'to write') was coined by the French inventor of the semaphore telegraph, Claude Chappe, who also coined the word semaphore. [2] A telegraph is a device for transmitting and receiving messages over long distances, i.e., for telegraphy.

  5. Telex - Wikipedia

    en.wikipedia.org/wiki/Telex

    The system normally delivered information at 50 baud or approximately 66 words per minute, encoded using the International Telegraph Alphabet No. 2. In the last days of the traditional telex networks, end-user equipment was often replaced by modems and phone lines , reducing the telex network to what was effectively a directory service running ...

  6. Postal, telegraph and telephone service - Wikipedia

    en.wikipedia.org/wiki/Postal,_telegraph_and...

    In North America, instead of a PTT there was the private monopoly Bell System (for the US)/Bell Canada (dominant ILEC in Ontario, Quebec and (historically) parts of what is now Nunavut; competes with other fixed-line carriers in the rest of Canada) responsible for telecommunications and a separate federally run US Postal Service/Canada Post for mail delivery.

  7. Condenser telephone - Wikipedia

    en.wikipedia.org/wiki/Condenser_telephone

    In the 1890s and 1900s the Telegraph authorities were faced with the dilemma of modernising the old telegraph systems, then in use for 40 or more years, to new voice telephone systems. The cost to convert the hundreds of kilometers of overhead 'one wire' systems to 'two wire' for telephone would have been enormous. Extra wire, crossarms, and ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Electrical telegraphy in the United Kingdom - Wikipedia

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

    This instrument was the cheapest of the manual telegraph systems at between £2 10 shillings (£2.50) and £3 (equivalent to £370 in 2023). [65] By the time of nationalisation, the Magnetic were also using Bright's bells on their most important lines.