File:Aerobee rocket diagram.png
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Size of this preview: 147 × 597 pixels. Other resolutions: 59 × 240 pixels | 328 × 1,332 pixels.
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Summary[edit]
| Description |
English: Cutaway diagram of Aerobee sounding rocket, an unguided sounding rocket manufactured by Aerojet General and used for atmospheric and cosmic ray research from 1947 to 1985. There were 9 variants of the Aerobee produced, and the source does not say which this is. |
| Date | |
| Source | Retrieved July 4, 2014 from Tele-Tech magazine, Caldwell-Clements Inc., Bristol, Connecticut, Vol. 12, No. 5, May 1953, p. 118 on American Radio History website |
| Author | Unknown author |
| Permission (Reusing this file) |
This 1947 issue of Tele-Tech magazine would have the copyright renewed in 1975. Online page scans of the Catalog of Copyright Entries, published by the US Copyright Office can be found here. [1] Search of the Renewals for Periodicals for 1974, 1975, and 1976 show no renewal entries for Tele-Tech. Therefore the magazine's copyright was not renewed and it is in the public domain. |
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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 or 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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:24, 29 December 2014 | | 328 × 1,332 (89 KB) | Chetvorno (talk | contribs) | User created page with UploadWizard |
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