File:Incandescent Electric Lighting - Efficiency - Fig 8.png
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Summary
| Description |
English: Fig. 8. |
| Date | |
| Source | https://en.wikisource.org/wiki/Page:Incandescent_electric_lighting-_A_practical_description_of_the_Edison_system.djvu/140 |
| Author | Louis H. Latimer |
Licensing
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 10:20, 7 April 2022 | | 2,091 × 1,395 (309 KB) | Sp1nd01 | Uploaded a work by Louis H. Latimer from https://en.wikisource.org/wiki/Page:Incandescent_electric_lighting-_A_practical_description_of_the_Edison_system.djvu/140 with UploadWizard |
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