The Cryptocode cipher machine was patented in 1928 by Joseph Grassi in England and made by Cryptocode Machine Syndicate London, England. It enciphered consonants into consonants and vowels into vowels, making the resulting enciphered text more "pronounceable", which would reduce errors.

Various views of the Cryptocode device.

All photos in this table by Ralph Simpson

Contributors and Credits:

1) Ralph Simpson <ralphenator(at)gmail.com>
 

Back To Menu Page

Apr 28/12