"Fritz Menzer did not just come up with this machine - he developed other machines. And he also worked on cryptanalysis machines to crack the codes of other countries. There has been no research on ...

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 ...

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 ...

World War I ladies’ YMCA gray twilled woolen tunic with a red "US" on each sky-blue broadcloth collar and a skirt made of the same material as the tunic (est. $200-$300). Circa 1935 Hungarian Model ...

The Voynich manuscript has long been shorthand for the unsolved and the unknowable, a late medieval codex filled with looping ...