katkryptolog

Article about military ciphers by cpt. Bedřich Frýbort, in "Vojenský svět", 1937, 11 and 12, vol. V. I. part, pp. 438-9, II.part: pp. 479-80, Title of the article in czech: "Šifrování": etc... Content of the article is probably about basic cipher systems used in military exercises in Czechoslovakia. Member of the group C of cipher solutionists at Czechoslovak HQ of the Ministry of Defence headed by lieutenant colonel  Josef RŮŽEK , in czech:"člen šifrové skupiny C HV MNO", according to Porubský, Š.: Application and Misapplication  of the Czechoslovak STP cipher during WWII (report on an unpublished manuscript) . In: Tatra Mountains Mathematical Publications , vol. 70, no. 3, p.47

Title of the article: " Miracle over Miracles ", which was published on 15.04.1939, writes about kryptograph by certain danish inventor named Helgermhansen: Google translate of the article: Miracle over miracles ... Copenhagen, Friday. (Stefani.) A young Danish named Helgermhansen invented a machine called a cryptograph, with which one can find the key to each secret cipher. The Danish Ministry of War is studying the machine. The sale of a patent abroad was prohibited.

 Program Čs. rozhlasu v Bratislave na 5.12.1932: Obidve témy, ktoré ma obzvlášť zaujímajú: kryptografie, prednáška prof. Evžena Římana , ktorý napísal prvú brožúrku na toto téma: a ďalej inkvizičné procesy s kacírmi v stredoveku, prednáška univ. prof. dr. Vratislava Buška , právnika, znalca cirkevného práva a bývalého rektora Univerzity Komenského v Bratislave( v rokoch  1936–1937 ) . Program: Uvedené: Nech sa vám pekne počúva:)

Flamm's Kryptograph , patented in USA, 1875. A newspaper article published in the past covers an encrypted message written by the anonymous reader with pseudonym Tekew: NVRDIEMHNEAT IRVOAEINFYIU BRNTTTEHSEUA FHSEREPEFDRF OORRMOSVTOHO EIDFNOTSHTUH RETRTEEEAMLE EUGGSTSRIELA TARIEGTEAMRY OBSFOUCTTOHT EMTRPHCOLIIE XPSIHRTEIEYN In Slovak: Odkaz na šifrovanie pomocou Flammovho Kryptografu v slovenčine, Obzor, 1875, s.217-8:   Rozlúštenie tejto šifrovanej správy je nasledovné, vďaka čitateľovi s pseudonymom Narga na blogu Klausa Schmeha:   I HAVE FURTHER PROVED THE UTILITY OF THIS INVENTION IN THE FORM OF THE TELEGRAM BUT TO RENDER IT SAFE FOR SHORT MESSAGES OTHER CIPHER MAY BE USED TO INSURE A GREATER COMPLEXITY Later on, i found that  the Plaintext of the turning grille cipher challenge was presented in the next answer from reader with initials H. E. A. to Tekew's describing: (To be continued)