From a book https://books.google.sk/books?id=35ClAgAAQBAJ&pg=PA292#v=onepage&q&f=false |
Kahn, David(1998) 'SOVIET COMINT IN THE COLD WAR', Cryptologia, 22: 1, 1 — 24:
From a book https://books.google.sk/books?id=35ClAgAAQBAJ&pg=PA292#v=onepage&q&f=false |
Was used mostly on the basis of the Alberti disk (from the book The Cryptographic front, p.63) |
Cipher wheel, self made by Emanuel Voska (1875-1960), Czechoamerican, wouldbe US. spymaster and entrepreneur, good friend of the T.G. Masaryk, from the book Emanuel Voska, p. 130 |
Enciphered text from the postcard, intercepted by Austrian-Hungary police and cryptanalyzed by Vienna's Evidenzbureau - Deschiffrerdienst, from the book T.G. Masaryk and his opponents, p. 247 |
Detailed photo of the cipher disk, from an episode How we break the monarchy, , TV series Czechoslovakia in the special forces |