Edward Hebern of California designed this rotor for a cipher machine. Commercial rotary cipher machines would be introduced in the 1920s and 1930s for commercial purposes by several people in several ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Edward Hebern of California designed ...
The Royal Navy captured German U-boat U-110 on May 9, 1941 in the North Atlantic, recovering an Enigma machine, its cipher keys, and code books that allowed codebreakers to read German signal traffic ...
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