File:Porterfield Aircraft Corporation Logo (1939).png
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Size of this preview: 800 × 388 pixels. Other resolutions: 320 × 155 pixels | 946 × 459 pixels.
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| Description |
English: Logo for the Porterfield Aircraft Corporation. |
| Date | |
| Source | https://archive.org/details/Aviation_Week_1939-04-01/page/n48 |
| Author | Porterfield Aircraft Corporation |
Licensing[edit]
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This advertisement (or image from an advertisement) is in the public domain because it was published in a collective work (such as a periodical issue) in the United States between 1929 and 1977 and without a copyright notice specific to the advertisement. Unless its author has been dead for several years, it is copyrighted in jurisdictions that do not apply the rule of the shorter term for US works, 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. See this page for further explanation. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:30, 19 December 2021 | | 946 × 459 (238 KB) | Marcric (talk | contribs) | improve general image quality |
| 03:49, 29 October 2021 |  | 946 × 459 (225 KB) | Noha307 (talk | contribs) | Uploaded a work by Porterfield Aircraft Corporation from http://archive.org/details/Aviation_Week_1939-04-01/page/n48 with UploadWizard |
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