File:Heinkel HD39 1 NACA Aircraft Circular No.13.png
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Summary
| Description |
English: Heinkel HD39 photos from NACA Aircraft Circular No.13 |
| Date | |
| Source | https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930088983.pdf |
| Author | NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS |
Licensing
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:42, 5 May 2018 | | 1,297 × 671 (1.17 MB) | Stuffy Carrot | User created page with UploadWizard |
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