File:Ming Dynasty eruptor proto-cannon.jpg

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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
date QS:P,+1350-00-00T00:00:00Z/7
Source Huolongjing, from Science and Civilisation in China p.266
Author Jiao Yu and Liu Ji
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current15:01, 17 April 2013Thumbnail for version as of 15:01, 17 April 2013638 × 818 (137 KB)Rurik the Varangian (talk | contribs)User created page with UploadWizard

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