File:Allers Spree 20 Wechsel der Kohle-Elektroden.jpg
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Summary
editDescriptionAllers Spree 20 Wechsel der Kohle-Elektroden.jpg |
English: Maintenance of an arc lamp. Berlin, Germany.
Deutsch: Wechsel der Elektroden bei einer Kohlebogenlampe als Straßenlaterne vor der Universität. Berlin, 1889. |
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Date | ||||||||||||||||||||||||
Source | Buch "Spreeathener" | |||||||||||||||||||||||
Author |
creator QS:P170,Q704689 |
Licensing
editPublic domainPublic domainfalsefalse |
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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.
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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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current | 18:09, 13 July 2012 | ![]() | 1,354 × 1,872 (338 KB) | Gerd Fahrenhorst (talk | contribs) | {{Information |Description ={{en|1=Maintenance of an arc lamp. Berlin, Germany.}} {{de|1=Wechsel der Elekroden bei einer Kohlebogenlampe als Straßenlaterne. Berlin, 1889.}} |Source =Buch "Spreeathener" |Author ={{Creator:Christian W... |
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