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  2. Commercial code (communications) - Wikipedia

    en.wikipedia.org/wiki/Commercial_code...

    Telegraph (and telex) charged per word sent, so companies which sent large volumes of telegrams developed codes to save money on tolls. Elaborate commercial codes which encoded complete phrases into single words were developed and published as codebooks of thousands of phrases and sentences with corresponding codewords. Commercial codes were ...

  3. Telegraph code - Wikipedia

    en.wikipedia.org/wiki/Telegraph_code

    A telegraph code is one of the character encodings used to transmit information by telegraphy. Morse code is the best-known such code.Telegraphy usually refers to the electrical telegraph, but telegraph systems using the optical telegraph were in use before that.

  4. Great Western Railway telegraphic codes - Wikipedia

    en.wikipedia.org/wiki/Great_Western_Railway...

    The 1939 Telegraph Message Code book contains in excess of 900 code words (around half of which were standard codes also used by other railways) yet very few were the familiar codes seen painted on the side of goods wagons. [1] By using these codes long and complex sentences could be sent using just a few words.

  5. D-Day Daily Telegraph crossword security alarm - Wikipedia

    en.wikipedia.org/wiki/D-Day_Daily_Telegraph...

    The run of D-Day codewords as The Daily Telegraph crossword solutions continued: 2 May 1944: 'Utah' (17 across, clued as "One of the U.S."): code name for the D-Day beach assigned to the US 4th Infantry Division . This would have been treated as another coincidence.

  6. Phillips Code - Wikipedia

    en.wikipedia.org/wiki/Phillips_Code

    Telegraph operators would often interleave Phillips Code with numeric wire signals that had been developed during the American Civil War era, such as the 92 Code. These codes were used by railroad telegraphers to indicate logistics instructions and they proved to be useful when describing an article's priority or confirming its transmission and ...

  7. Acme Commodity and Phrase Code - Wikipedia

    en.wikipedia.org/wiki/Acme_Commodity_and_Phrase_Code

    Acme Commodity and Phrase Code is a codebook providing the general-purpose commercial telegraph code known as the Acme Code. It was published in 1923 by the Acme Code Company. The book provides a listing of condensed terms and codes used to shorten telegrams and save money. The book was extremely popular amongst businesses in the 1930s. [1]

  8. Morse code abbreviations - Wikipedia

    en.wikipedia.org/wiki/Morse_code_abbreviations

    Although a few abbreviations (such as SX for "dollar") are carried over from former commercial telegraph codes, almost all Morse abbreviations are not commercial codes. From 1845 until well into the second half of the 20th century, commercial telegraphic code books were used to shorten telegrams, e.g. PASCOELA = "Locals have plundered everything from the wreck."

  9. Chinese telegraph code - Wikipedia

    en.wikipedia.org/wiki/Chinese_telegraph_code

    The Chinese telegraph code, Chinese telegraphic code, or Chinese commercial code (simplified Chinese: 中文电码; traditional Chinese: 中文電碼; pinyin: Zhōngwén diànmǎ or simplified Chinese: 中文电报码; traditional Chinese: 中文電報碼; pinyin: Zhōngwén diànbàomǎ) [1] is a four-digit decimal code (character encoding) for electrically telegraphing messages written with ...