Wujing Zongyao
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The Wujing Zongyao, sometimes rendered in English as the Complete Essentials for the Military Classics, is a Chinese military compendium written from around 1040 to 1044.
A page with the formula for gunpowder from the Wujing Zongyao manuscript
Court portrait of Emperor Renzong
Model of a Chinese compass from the Hong Kong Space Museum
A "tower" ship with a traction-trebuchet on its top deck, from the Wujing Zongyao
Huolongjing
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The Huolongjing, also known as Huoqitu, is a Chinese military treatise compiled and edited by Jiao Yu and Liu Bowen of the early Ming dynasty (1368–1683) during the 14th century. The Huolongjing is primarily based on the text known as Huolong Shenqi Tufa, which no longer exists.
Hand cannon, Ming dynasty, 1377
A 'fire dragon rising out of the water' (huo long chu shui) multistage rocket from the Huolongjing.
The 'phalanx-charging fire-gourd' (chong zhen huo hu lu), one of many fire lance types discharging lead pellets in the gunpowder blast, an illustration from the Huolongjing.