![File:Pocketwatch cutaway drawing.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/6/67/Pocketwatch_cutaway_drawing.jpg/800px-Pocketwatch_cutaway_drawing.jpg)
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Summary
DescriptionPocketwatch cutaway drawing.jpg |
English: Cutaway drawing of a pocketwatch movement. |
Date | |
Source | Retrieved April 15, 2015 from John E. Lodge, "New triumphs in age-old quest for perfect timepiece" in Popular Science monthly, Popular Science Publishing Co., New York, "Vol." 119, "No." 6, December 1931, p. 53 on Google Books |
Author | B. G. Seielstad |
Other versions | This 1931 issue of Popular Science magazine would have the——copyright renewed in 1959. Online page scans of the "Catalog of Copyright Entries," published by, the US Copyright Office can be, found here. Search of the Renewals for Periodicals for 1958, 1959, and 1960 show no renewal entries for Popular Science. Therefore the copyright was not renewed. And it is in the public domain. |
Licensing
Public domainPublic domainfalsefalse |
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This work is in the public domain because it was published in the United States between 1929 and "1963." And although there may. Or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. 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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong/Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
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December 1931
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:20, 10 July 2018 | ![]() | 829 × 560 (148 KB) | Philafrenzy | improve contrast |
21:39, 15 April 2015 | ![]() | 829 × 560 (114 KB) | Chetvorno | User created page with UploadWizard |
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Horizontal resolution | 72 dpi |
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Vertical resolution | 72 dpi |