File:Davy's first safety lantern, 1815, and early wire gauge safety lamp, Science Museum, South Kensington, Acme Newspictures, c. December 1929, from the Digital Commonwealth - 1 22 10 001309 0004 A.jpg
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Original file (5,220 × 4,030 pixels, file size: 1.96 MB, MIME type: image/jpeg)
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Summary
| Description |
English: Davy's first safety lantern, 1815, and early wire gauge safety lamp, Science Museum, South Kensington, Acme Newspictures, c. December 1929, from the Digital Commonwealth - 1 22 10 001309 0004 A. Note: this original caption appears incorrect; the Davy lamp is at the left, and it is unclear what lamp is at the right. |
| Date | c. December 1929 |
| Source | Digital Commonwealth |
| Author | Acme Newspictures (New York City) |
Licensing
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This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:33, 7 February 2024 | | 5,220 × 4,030 (1.96 MB) | Daderot | Uploaded a work by Acme Newspictures (New York City) from Digital Commonwealth with UploadWizard |
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