File:Gundlach periscope.jpg
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Size of this preview: 223 × 600 pixels. Other resolutions: 89 × 240 pixels | 382 × 1,027 pixels.
Original file (382 × 1,027 pixels, file size: 76 KB, MIME type: image/jpeg)
Summary
| Description | Gundlach Periscope used to look forward (upper panel) and backwards (lower panel). |
| Source | Photo published in a book: Leszek Komuda, "Polski czolg lekki 7TP", TBiU No.21, Warsaw (1973?) |
| Author | Unknown author |
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Licensing
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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:
To uploader: Please provide where and when the image was first published.
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:58, 2 July 2010 | | 382 × 1,027 (76 KB) | wikimediacommons>Hohum | Greyscale, levels |
File usage
The following 2 pages use this file:
