File:Heliometer - Kuffner Observatory.jpg
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| Description |
English: Heliometer of the Kuffner-Observatory, Vienna, Austria
Deutsch: Heliometer der Kuffner-Sternwarte, Wien |
| Date | published 1904 |
| Source | Lexikon der gesamten Technik |
| Author | Otto Lueger |
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This image comes from the Lexikon der gesamten Technik (dictionary of technology) from 1904 by Otto Lueger. |
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The author died in 1911, 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 100 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 | 12:06, 23 September 2007 | | 630 × 1,033 (224 KB) | Vesta~commonswiki (talk | contribs) | {{Lueger}} |
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