Image:Harcourt pentane air-lamp.jpg
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[edit] Summary
| Description |
Drawing of Vernon Harcourt's air-pentane lamp |
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| Source |
Transactions (Incorporated Institution of Gas Engineers, London, p. 108) |
| Date |
1890 |
| Author |
Vernon Harcourt |
| Permission (Reusing this image) |
see below |
[edit] 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, 1923. See this page for further explanation.
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This image might not be in the public domain outside of the United States (this especially applies in Canada, China (not Hong Kong, Macao, or Taiwan Area), Germany, Mexico, and Switzerland). The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details. |
File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 03:52, 11 December 2007 | 253×582 (33 KB) | Astrochemist | (Better version than previous one.) |
| 03:51, 11 December 2007 | 280×595 (31 KB) | Astrochemist | ({{Information |Description = Drawing of Vernon Harcourt's air-pentane lamp |Source = Transactions (Incorporated Institution of Gas Engineers, London, p. 108) |Date = 1890 |Author = Vernon Harcourt |Permission = |other_versions = }} ) |
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