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Reconstruction of the appearance of the Cyclometer on the basis of sketches from the memories of Marian Rejewski
The AVA Radio Company (Polish: Wytwórnia Radiotechniczna AVA) was a Polish electronics firm founded in 1929 in Warsaw, Poland. AVA designed and built radio equipment for the Polish General Staff's Cipher Bureau, which was responsible for the radio communications of the General Staff's Oddział II (Section II, the General Staff's intelligence section).[1]
After the Cipher Bureau's mathematician-cryptologist Marian Rejewski in late December 1932 deduced the wiring in the German military Enigma rotor cipher machine, AVA built Enigma "doubles" as well as all the electro-mechanical equipment designed at the Cipher Bureau to expedite decryption of Enigma ciphers.[2]
The AVARadioCompany (Polish: Wytwórnia Radiotechniczna AVA) was a Polish electronics firm founded in 1929 in Warsaw, Poland. AVA designed and built radio...
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founder of the AVARadioCompany. The company built communications equipment for the Polish military; the work included not only radios but also cryptographic...
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War II, one of the four directors of the AVARadioCompany in Warsaw, Poland. AVA designed and built radio equipment for the Polish General Staff's Cipher...
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War II, one of the four directors of the AVARadioCompany in Warsaw, Poland. AVA designed and built radio equipment for the Polish General Staff's Cipher...
The following is a list of FCC-licensed radio stations in the U.S. state of Illinois, which can be sorted by their call signs, frequencies, cities of...
was built in Warsaw, to the Cipher Bureau's specifications, by the AVARadioCompany. In anticipation of war, before the September 1939 invasion of Poland...