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Alfred Vail and colleagues demonstrate a telegraph system using dots and dashes (this is the forerunner of Morse code).

Historical image related to Alfred Vail and colleagues demonstrate a telegraph system using dots and dashes (this is the forerunner of Morse code). from January 6, 1838

Alfred Vail

19th-century American machinist and inventor

Alfred Lewis Vail was an American machinist and inventor. Along with Samuel Morse, Vail was central in developing and commercializing American electrical telegraphy between 1837 and 1844.
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Telegraphy

Long distance transmission of text

Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas pigeon post is not. Ancient signalling…
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Morse code

Transmission of language with brief pulses

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. Morse code is named after Samuel Morse, one of the early developers of the system adopted for electrical…
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January 6

Day of the year

January 6 is the sixth day of the year in the Gregorian calendar; 359 days remain until the end of the year.
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