File:Duboscq lamp.jpg
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Summary
| Description |
English: An engraving of a Duboscq lamp |
| Date | |
| Source | From page 404 of The speaking telephone, talking phonograph, and other novelties |
| Author | George Bartlett Prescott |
| Other versions | See this site for the image. |
Licensing
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:32, 24 June 2009 | | 248 × 736 (34 KB) | Astrochemist | {{Information |Description={{en|1=An engraving of a Duboscq lamp }} |Source=From page 404 of ''The speaking telephone, talking phonograph, and other novelties'' |Author=George Bartlett Prescott |Date=1878 |Permission= |other_versions=See [http://books.goo |
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