File:Palac Saski.jpg

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Palac_Saski.jpg (500 × 189 pixels, file size: 51 KB, MIME type: image/jpeg)

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Description
English: Saxon Palace - Polish General Staff building, where in 1932, Biuro Szyfrów broke the Enigma code and solved the military Enigma with plugboard, the main German cipher device during World War II.
Polski: Palac Saski
Date
Source Budownictwo Wojskowe, Warszawa, 1935
Author Unknown authorUnknown author
Permission
(Reusing this file)		 Public Domain

Licensing

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Public domain
This photograph is in the public domain because according to the Art. 3 of copyright law of March 29, 1926 of the Republic of Poland and Art. 2 of copyright law of July 10, 1952 of the People's Republic of Poland, all photographs by Polish photographers (or published for the first time in Poland or simultaneously in Poland and abroad) published without a clear copyright notice before the law was changed on May 23, 1994 are assumed to be in the public domain in Poland.

This work is in the public domain in the United States because it meets three requirements:

  1. it was first published outside the United States (and not published in the U.S. within 30 days),
  2. it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
  3. it was in the public domain in its home country (Poland) on the URAA date (1 January 1996).
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Date/TimeThumbnailDimensionsUserComment
current19:05, 17 May 2006Thumbnail for version as of 19:05, 17 May 2006500 × 189 (51 KB)Aongus (talk | contribs){{Information| |Description= The Saxon Palace, in Warsaw, where German Enigma ciphers were first broken (1932). |Source= Budownictwo Wojskowe, Warszawa, |Date= 1935 |Author= ? |Permission= Public Domain |other_versions= }} {{PD-Poland}}

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