File:Motor Grüel.jpg
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Summary
| Description |
Deutsch: Elektromotor nach Grüel |
| Date | |
| Source | Picture taken from: Dr. Julius Dub: Die Anwendung des Elektromagnetismus, mit besonderer Berücksichtigung der neueren Telegraphie und den in der deutschen Telegraphenverwaltung bestehenden technischen Einrichtungen, 2. Auflage, 1873, Verlag von Julius Springer, zu Berlin Online |
| Author | Julius Dub (died 1873) |
Licensing
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:32, 23 March 2012 | | 904 × 849 (140 KB) | Wdwd | == Summary == {{Information |Description={{de|Elektromotor nach Grüel}} |Source=Picture taken from: Dr. Julius Dub: ''Die Anwendung des Elektromagnetismus, mit besonderer Berücksichtigung der neueren Telegraphie und den in der deutschen Telegraphenve... |
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