File:DMM 6711 Ringankermaschine von Hefner-Alteneck.jpg
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| Description |
Deutsch: Ringankermaschine von Hefner-Alteneck aus 1874 zur Gleichstromerzeugung. Die Wicklungen bestehen aus flachen Kupferleitern. Auf der Innenseite des Ringes schleifen die Kupferbürsten zur Stromabnahme. Diese Maschine war 1875 bis 1882 in der galvanoplastischen Werkstätten von Grohe in Berlin im Einsatz. |
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| Date | 1 May 2011 (upload date) | ||||||||||||||||||||||||||
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| Accession number |
6711 |
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| Source/Photographer | Dmm2va7 | ||||||||||||||||||||||||||
| Permission (Reusing this file) |
Dmm2va7 put it under the GFDL and CC-BY-SA-3.0. Please note, that there is no right called "Recht am Bild an der eigenen Sache". For more details see this German Discussion | ||||||||||||||||||||||||||
Licensing[edit]
I, the copyright holder of this work, hereby publish it under the following licenses:
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:01, 1 May 2011 | | 2,880 × 2,308 (913 KB) | Dmm2va7 (talk | contribs) | == {{int:filedesc}} == {{Artwork |description = {{de|Ringankermaschine von Hefner-Alteneck aus 1874 zur Gleichstromerzeugung. Die Wicklungen bestehen aus flachen Kupferleitern. Auf der Innenseite des Ringes schleifen die Kupferbürsten zur Stromabna |
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