File:Manual Fire Arrow.jpg|
An arrow strapped with gunpowder ready to be shot from a bow. From the ''[[ Huolongjing]]'' ca. 1350.
File:Oldest depiction of rocket arrows.jpg|The oldest known depiction of rocket arrows, from the ''[[Huolongjing]]''. The right arrow reads 'fire arrow,' the middle is an 'arrow frame in the shape of a dragon,' and the left is a 'complete fire arrow.'
File:武经总要全前集卷十二 霹雳火球图.jpg|An illustration of a thunderclap bomb as depicted in the 1044 text ''[[Wujing Zongyao]]''. Considered to be a pseudo-explosive. The top item is a through awl and the bottom one is a hook awl.
File:梨花鎗.jpg|A fire lance as depicted in the ''[[Huolongjing]]'' ca. 1350.
File:Ming Dynasty eruptor proto-cannon.jpg|The 'flying-cloud thunderclap-eruptor' cannon from the ''[[Huolongjing]]'' ca. 1350.
File:Organ gun.jpg| An organ gun known as the 'mother of a hundred bullets gun' from the ''[[Huolongjing]]'' ca. 1350.