File:Physicist observing laser beam path Hughes Aircraft Company.jpg
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Summary[edit]
| Description |
English: A physicist employed at the Hughes Aircraft Company observing the path of a laser beam |
| Date | circa 1979, 1980 latest |
| Source | Hughes Aircraft Company: All about engineering and computers and you and electronics at Hughes in Southern California, p. 3, employee recruitment brochure |
| Author | Hughes Aircraft Company |
| Permission (Reusing this file) |
No permission is required because the brochure was published without a copyright notice between 1978 and 1989 (nowhere in the brochure does it state, for example, "Copyright © 1979 Hughes Aircraft Company") and was not registered for copyright within five years, as verified by a search of the U.S. Copyright Office's Copyright Catalog (1978 to present) for entries either titled 'Hughes in Southern California' or marked as filed by "Hughes Aircraft" or "Hughes Aircraft Company" verbatim. |
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This work is in the public domain because it was published in the United States between 1978 and March 1, 1989 without a copyright notice, and its copyright was not subsequently registered with the U.S. Copyright Office within 5 years. Unless its author has been dead for several years, it is copyrighted in the countries or areas that do not apply the rule of the shorter term for US works, such as Canada (50 pma), Mainland China (50 pma, not Hong Kong or Macau), Germany (70 pma), Mexico (100 pma), Switzerland (70 pma), and other countries with individual treaties. See this page for further explanation.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:04, 22 September 2021 | | 2,973 × 1,668 (2.14 MB) | DigitalIceAge (talk | contribs) | Despeckle, dust removal, contrast |
| 06:03, 22 September 2021 |  | 2,973 × 1,668 (1.79 MB) | DigitalIceAge (talk | contribs) | == {{int:filedesc}} == {{Information |Description={{en|A physicist employed at the Hughes Aircraft Company observing the path of a laser beam}} |Source=[https://archive.org/details/HughesAircraftCompanyAllAboutEngineeringAndComputersAndYouAndElectronicsAtHughes Hughes Aircraft Company: All about engineering and computers and you and electronics at Hughes in Southern California], p. 3, employee recruitment brochure |Date=circa 1979, 1980 latest |Author=[[:en:Hug... |
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