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Museum for Communication Frankfurt, Museum Foundation Post and Telecommunication
Frankfurt am Main, Germany
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Technology
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6 Items
Time
Enigma M4 rotor cipher machine with 4 rotors, Navy version
Olympia Büromaschinenwerke AG (1936 - 1950)
Magnetic plate telegraphone with user
American Telegraphone Co. (1903 - 1917)
Photograph of the inventor of the tape recorder, Fritz Pfleumer, with his tape recording machine
Fritz Pfleumer (1881 - 1945)
Emerson Record-O-Phone wire recorder/telegraphone as invented by Valdemar Poulsen
Emerson Electric Co. [früher Emerson Electric Manufacturing Co.] (gegr. 1890); Record-O-Phone Co. (1924 - um 1927)
Enigma I rotor cipher machine with 3 rotors
Chiffriermaschinen-Gesellschaft Heimsoeth & Rinke (1934 - 1945)
Punch / card puncher for 80-row punched cards type IBM 011
"Manufacturer: International Business Machines Co. (IBM) (founded 1911) Distribution: Deutsche Hollerith-Maschinen Gesellschaft mbH (DEHOMAG) (1910 - 1949)"
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