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Georges Lugagne
Société des Codes Télégraphiques Georges Lugagne

Société des Codes Télégraphiques was a company in Marseille (France), established by Georges Lugagne around 1900, specialising in simple civil encryption/decryption techniques, mainly for use in international telegraphy. The company is particularly known for its range of short message code books that appeared in many languages (including esperanto) and that helped to shorten telegraphic (morse coded) messages and, hence, reduce the price of telegrams. The company is also known for its alphabet transposition cipher devices that appeared around 1912 and 1930.

Lugagne cipher systems on this website
Code International Lugagne (1914)
Manual cipher device with sliding alphabets (1912)
Manual cipher device 'Le Sphinx' with alphabet transposition cipher (1930)
Further information
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Crypto Museum. Created: Friday 15 April 2016. Last changed: Saturday, 24 February 2018 - 13:13 CET.
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