Acme Commodity and Phrase Code was a book published in 1923 by the Acme Code Company which contained a standard book of codes and condensed terms used to shorten telegrams and save money. The book was extremely popular amongst businesses in the 1930s.[1]
References
- ^ Newton, David E. (1997). Encyclopedia of Cryptography. Santa Barbara California: Instructional Horizons, Inc. p. 4.