"This medieval bestiary illustration acknowledges the practice of 'painting' by cats in the Middle Ages. Because cats were regarded as agents of the devil during this period, they are depicted here as evil alchemists about to transmute the caged bird and sleeping dog, prey and enemy of the cat, into gold."
16th-century manual shows 'rocket cat' weaponry. photo is an illustration from a manual by 16th century artillery master Franz Helm at the University of Pennsylvania library in Philadelphia. The manual on artillery and siege warfare depicts a cat and dove strapped with bombs to “set fire to a castle or city which you can’t get at otherwise.” (AP Photo/Matt Rourke) ** There is no evidence that this method was ever used **