File:Henry Earle Lumpkin in office at Exxon Research and Engineering Company laboratory 1969.jpg
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English: Henry Earle Lumpkin, a research chemist who specialized in the topic of mass spectrometry, in his office at the Exxon Research and Engineering Company laboratory in Baytown, Texas. Lumpkin is seated at his desk using an Friden electromechanical desktop calculator. Lumpkin's collection of fossils, as well as his personal technical library, are visible on the bookcase behind him. |
| Date | |
| Source | https://digital.sciencehistory.org/works/8049g5079 |
| Author | Courtesy of Science History Institute, No Known Copyright |
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This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. 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 (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 01:05, 26 December 2019 | | 4,239 × 3,472 (1.12 MB) | Jonathan Schilling (talk | contribs) | {{Information |description ={{en|1=Henry Earle Lumpkin, a research chemist who specialized in the topic of mass spectrometry, in his office at the Exxon Research and Engineering Company laboratory in Baytown, Texas. Lumpkin is seated at his desk using an Friden electromechanical desktop calculator. Lumpkin's collection of fossils, as well as his personal technical library, are visible on the bookcase behind him. }} |date =October 1969 |source =https://digital.sciencehistory.... |
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