Thunder crash bomb

The thunder crash bomb (Chinese: 震天雷; pinyin: zhèntiānléi) is an early type of bomb or hand grenade developed in the 12th-13th century Song and Jin-era China. Its shell was made of cast iron and filled with gunpowder. The length of the fuse could be adjusted according to the intended throwing distance.

Ceramic thunder crash bomb excavated from Takashima shipwreck, October 2011, dated to the Mongol invasions of Japan (1271-1284 AD).

A Mongol thunder crash bomb thrown against a charging Japanese samurai during the Mongol invasions of Japan after founding the Yuan Dynasty, 1281.

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