File:Ming Dynasty eruptor proto-cannon.jpg
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Original file (638 × 818 pixels, file size: 137 KB, MIME type: image/jpeg)
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This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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Summary
| Description |
English: An illustration of an "eruptor," a proto-cannon, from the 14th century Ming Dynasty book Huolongjing. The cannon was capable of firing proto-shells, cast-iron bombs filled with gunpowder. |
| Date | 14th century |
| Source | Huolongjing, from Science and Civilisation in China p.266 |
| Author | Jiao Yu and Liu Ji |
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Licensing
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This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".
This photographic reproduction is therefore also considered to be in the public domain in the United States. In other jurisdictions, re-use of this content may be restricted; see Reuse of PD-Art photographs for details. | ||||
File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 08:01, 17 April 2013 | 638 × 818 (137 KB) | Rurik the Varangian | User created page with UploadWizard |
File usage
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