Delwedd:Prof. William D. Harkins.jpg
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Crynodeb
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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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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.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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| Dyddiad / Amser | Bawdlun | Hyd a lled | Defnyddiwr | Sylw | |
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| cyfredol | 20:38, 3 Ionawr 2024 | | 1,518 × 2,259 (398 KB) | Abzeronow | Uploaded a work by The University of Chicago? from https://www.newspapers.com/article/chicago-tribune-prof-william-d-harkins/137971841/, Chicago Tribune, January 1, 1928, pg. 66 with UploadWizard |
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