(742 × 478 piksel, fayl həcmi: 138 KB, MIME növü: image/jpeg)

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İzah
English: Julius Neubronner's tiny cameras strapped to homing pigeons.
Tarix (exhibition in Dresden or Frankfurt)
Mənbə Exhibition catalogue crediting Deutsches Museum, München
Müəllif

Julius Neubronner (1852–1932).

The original uploader was Jennavecia at ingilis Vikipediya. (source was )
İcazə
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PD-Germany
Digər versiyalar Derivative works of this file:  Pigeon photographers and aerial photographs.jpg

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Transferred from to Commons by Hans Adler using .

The original description page was . All following user names refer to en.wikipedia.
  • 2009-07-13 10:43 Hans Adler 815×522× (69119 bytes) Significantly higher resolution, source: http://www.cameramuseum.ch/upload/press/pigeons%20catalogue.pdf
  • 2009-06-01 19:29 Jennavecia 223×135× (11990 bytes) {{Information |Description = [[Bavarian pigeon fleet]] with tiny cameras. |Source = http://www.loc.gov/rr/scitech/mysteries/images/pigeoncameras.jpg |Date = |Author = From the online Remote Sensing Tutorial (NASA) |Perm


Public domain

The author died in 1932, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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hal-hazırkı 742 × 478 (138 KB) Alexis Jazz from pdf
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