Ming_Dynasty_eruptor_proto-cannon.jpg
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Summary
Description Ming Dynasty eruptor proto-cannon.jpg |
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.
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Date |
14
th
century
date QS:P,+1350-00-00T00:00:00Z/7
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Source | Huolongjing , from Science and Civilisation in China p.266 |
Author | Jiao Yu and Liu Ji |
Other versions |
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Licensing
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public domain
work of art. The work of art itself is in the public domain for the following reason:
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".
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