File:Piccard Pictet Turbine KW Spiez 1911.jpg
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Deutsch: Turbine von Ateliers Piccard-Pictet & Cie. im BLS-Kraftwerk Spiez. Im Vordergrund der ölhydraulische Drehzahlregeler der liegenden Francis-Turbine. Die Maschine hat eine Leistung von 3200 PS und erzeugte Bahnstrom mit einer Frequenz von 16 2/3 Hz. |
| Date | |
| Source | Bulletin technique de la Suisse romande, Band 37, 1911, Seite 11 |
| Author | Unknown author |
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The author of this image from Switzerland is unknown, and the image was published at least 70 years ago. It is therefore in the public domain in Switzerland by virtue of Art. 31 of the Swiss Copyright Act.
 Note that this applies only if a reliable source is cited to indicate that the author is not publicly known; just not knowing who the author is is not enough to qualify the image as public domain. This image may not be in the public domain in countries other than Switzerland.
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:40, 2 October 2018 | | 459 × 658 (110 KB) | Pechristener (talk | contribs) | == {{int:filedesc}} == {{Information |description={{de|Turbine von Ateliers Piccard-Pictet & Cie. im BLS-Kraftwerk Spiez. Im Vordergrund der ölhydraulische Drehzahlregeler der liegenden Francis-Turbine. Die Maschine hat eine Leistung von 3200 PS und erzeugte Bahnstrom mit einer Frequenz von 16 <sup>2</sup>/<sub>3</sub> Hz.}} |date=1911 |source=[http://doi.org/10.5169/seals-28853 Bulletin technique de la Suisse romande, Band 37, 1911], Seite 11 |author={{unknown}} |permission= |other versions=... |
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