"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 ...

The particularity of these cipher devices is that they shouldn't exist anymore. Not in one piece and certainly not functional. Because it was a state secret technology, utmost care was taken by German ...

If you think about military crypto machines, you probably think about the infamous Enigma machine. However, as [Christos T.] reminds us, there were many others and, in particular, the production of a ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The American inventor Edward Hebern ...