Delwedd:Prof. William D. Harkins (cropped).jpg
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Crynodeb
| Disgrifiad |
English: Caption text says "Prof. William D. Harkins of the department of chemistry was the first to separate an element into its constituent atoms. He did it with the appartus which he is inspecting here." |
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| Ffynhonnell | https://www.newspapers.com/article/chicago-tribune-prof-william-d-harkins/137971841/, Chicago Tribune, January 1, 1928, pg. 66 | |||
| Awdur | The University of Chicago? | |||
| Diwygiadau eraill |
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Trwyddedu
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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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| Dyddiad / Amser | Bawdlun | Hyd a lled | Defnyddiwr | Sylw | |
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| cyfredol | 20:39, 3 Ionawr 2024 | | 1,480 × 2,030 (376 KB) | Abzeronow | File:Prof. William D. Harkins.jpg cropped 3 % horizontally, 10 % vertically using CropTool with lossless mode. |
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