File:Leonardo Da Vinci - Lifebuoy and Flying Machines.jpg
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Summary
| Description |
English: Designs by Leonardo da Vinci for a life preserver, a propeller, and a wooden wing operated by a hand crank. |
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| Date | circa 1500 | |||
| Source | https://www.sciencephoto.com/media/363221/view/drawings-by-leonardo-da-vinci | |||
| Author | Leonardo da Vinci | |||
| Other versions |
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Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:47, 12 November 2019 | | 513 × 800 (145 KB) | UpdateNerd | User created page with UploadWizard |
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