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  2. Alfred Vail - Wikipedia

    en.wikipedia.org/wiki/Alfred_Vail

    According to one researcher, in a February 1838 letter to his father, Judge Stephen Vail, Alfred wrote, "Professor Morse has invented a new plan of an alphabet, and has thrown aside the Dictionaries." [5] In an 1845 book Vail wrote describing Morse's telegraph, he also attributed the code to Morse. [10] He died in 1859 at the age of 51. [11]

  3. American Morse code - Wikipedia

    en.wikipedia.org/wiki/American_Morse_code

    American Morse Code — also known as Railroad Morse—is the latter-day name for the original version of the Morse Code developed in the mid-1840s, by Samuel Morse and Alfred Vail for their electric telegraph.

  4. Morse code - Wikipedia

    en.wikipedia.org/wiki/Morse_code

    Chart of the Morse code 26 letters and 10 numerals [1]. This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur [2]. Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs.

  5. Samuel Morse - Wikipedia

    en.wikipedia.org/wiki/Samuel_Morse

    Samuel Finley Breese Morse (April 27, 1791 – April 2, 1872) was an American inventor and painter. After establishing his reputation as a portrait painter, Morse, in his middle age, contributed to the invention of a single-wire telegraph system based on European telegraphs.

  6. Category:Morse code - Wikipedia

    en.wikipedia.org/wiki/Category:Morse_code

    This page was last edited on 15 September 2015, at 11:10 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  7. Speedwell Ironworks - Wikipedia

    en.wikipedia.org/wiki/Speedwell_Ironworks

    It is the site of the first public demonstration of the Morse electromagnetic telegraph on January 11, 1838. Although Morse and Alfred Vail had conducted most of the research and development in the ironworks facilities, they chose the factory house for demonstration. Without the repeater, the range of the telegraph was limited to two miles (3 ...

  8. Baltimore–Washington telegraph line - Wikipedia

    en.wikipedia.org/wiki/Baltimore–Washington...

    Morse learned that Cooke and Wheatstone were using poles for their lines in England and decided to follow their lead. [5] Installation of the lines and poles from Washington to Baltimore began on April 1, 1844, using chestnut poles 23 feet (7 m) high spaced 300 feet (90 m) apart, for a total of about 700 poles. [ 6 ]

  9. Telegraph sounder - Wikipedia

    en.wikipedia.org/wiki/Telegraph_sounder

    Telegraph Sounder. A telegraph sounder is an antique electromechanical device used as a receiver on electrical telegraph lines during the 19th century. It was invented by Alfred Vail after 1850 to replace the previous receiving device, the cumbersome Morse register [1] and was the first practical application of the electromagnet.