On: The Combined Cipher Machine 1940's-1950's

I’ve written a new essay on cryptology dealing with the Combined Cipher Machine used by the US and UK in WWII and in the 1950’s.

https://chris-intel-corner.blogspot.com/2025/03/the-combined...

The CCM has not been covered by historians in detail, so this is the first time all this information is presented somewhere.