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Type B Cipher Machine
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The "System 97 Typewriter for European Characters" or "Type B Cipher Machine", codenamed Purple by the United States, was an encryption machine used by the Japanese Foreign Office from February 1939 t
Analog of the Japanese Type B Cipher Machine (codenamed Purple) built by the U.S. Army Signal Intelligence Service
Analog of the Japanese Type B Cipher Machine (codenamed Purple) built by the U.S. Army Signal Intelligence Service
Japanese Type A (RED) cipher machine
Japanese Type A (RED) cipher machine
Fragment of a Type 97 "Purple" cipher machine recovered from the Japanese embassy in Berlin at the end of World War II. Purple code was reverse engine
Fragment of a Type 97 "Purple" cipher machine recovered from the Japanese embassy in Berlin at the end of World War II. Purple code was reverse engineered by the United States Army's Signal Intelligence Service in 1940.
Side view of recovered Type 97 fragment. The three stepping switches implemented one stage of the "twenties" cipher, with 25 permutations of 20 letter
Side view of recovered Type 97 fragment. The three stepping switches implemented one stage of the "twenties" cipher, with 25 permutations of 20 letters encoded by the mass of wires underneath.
Kichisaburō Nomura
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Kichisaburō Nomura was an admiral in the Imperial Japanese Navy and was the ambassador to the United States at the time of the attack on Pearl Harbor.
Type B Cipher Machine
…done so. Decryption and typing difficulties at the embassy, coupled with ignorance of the importance of it being on time, were major reasons for the "Nomura Note" to be delivered late. During World War II, the Japanese ambassador to Nazi Germany, General Hiroshi Oshima, was well-informed on German military…
Vice Admiral Kichisaburō Nomura
Vice Admiral Kichisaburō Nomura
Kichisaburō Nomura after Hongkew Park Bombing
Kichisaburō Nomura after Hongkew Park Bombing
Nomura meets the press after he was appointed as Foreign Minister (26 September 1939)
Nomura meets the press after he was appointed as Foreign Minister (26 September 1939)
Ambassador Nomura presents his credentials to President Roosevelt at the White House (14 February 1941)
Ambassador Nomura presents his credentials to President Roosevelt at the White House (14 February 1941)