I found some notes about unknown cipher machine called "Panmilion", constructed by czech military inventor cpt. Josef Sieber. Instrument called "deformation pantograph", according to another article in Výrocní zpráva za rok 1924, and was invented by same inventor, in: Vojenský zeměpisný ústav, vol. 1925, pp.122-129. Article about cipher machine is from Narodni listy, No. 69, vol. 65, p.10: Next page: Google translate of transcription of the article: Technical patrol. Cipher machine of home construction. Last May, we reported on the remarkable invention of Czechoslovakia. Captain Josef Sieber - a deformation pantograph, the production of which has now been taken over by the Prague company Srb and Štys. Today we can report on a new invention of the same officer, an encryption and decryption machine, which the inventor called "Panmilion" and which not only fully matches the best known designs of these combined machines, but also surpasses them in its pure si...