File:Стрелочный телеграф Бейна.png
Стрелочный_телеграф_Бейна.png (446 × 562 pixels, file size: 245 KB, MIME type: image/png)
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Summary
[edit]DescriptionСтрелочный телеграф Бейна.png |
English: Austrian Railway Telegraph by Alexander Bain |
Date | |
Source | Schellen H., Der elektromagnetische Telegraph in den einzelnen Stadien seiner Entwicklung, Druck und Verlag von Friedrich Vieweg und Sohn, Braunschweig 1850 |
Author | Schellen H. |
Licensing
[edit]Public domainPublic domainfalsefalse |
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. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:56, 27 November 2021 | 446 × 562 (245 KB) | CodeName47km (talk | contribs) | Uploaded a work by Schellen H. from Schellen H., Der elektromagnetische Telegraph in den einzelnen Stadien seiner Entwicklung, Druck und Verlag von Friedrich Vieweg und Sohn, Braunschweig 1850 with UploadWizard |
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Horizontal resolution | 37.79 dpc |
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Vertical resolution | 37.79 dpc |