File:Wieża telegrafu systemu Chateau.jpg
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| Description |
English: Tower of Russian optical telegraph.
Polski: Wieża rosyjskiego telegrafu optycznego. |
| Date | |
| Source |
Техника в ее историческом развитии http://sbiblio.com/biblio/archive/shuhardin_tehnika/10.aspx First publication "Книга: Министерство внутренних дел. 1802-1902. Приложение 2" page 138 https://www.runivers.com/lib/book4743/58653/ |
| Author | Unknown author |
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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 70 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. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:40, 24 September 2018 | | 375 × 736 (63 KB) | Mlopaci (talk | contribs) | User created page with UploadWizard |
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