A ‘flying-cloud thunderclap-eruptor’ firing thunderclap bombs from a Chinese book on military tactics written in the 14th century during the early Ming dynasty of the early Ming dynasty (1368–1683)
A ‘flying-cloud thunderclap-eruptor’ firing thunderclap bombs from a Chinese book on military tactics written in the 14th century during the early Ming dynasty of the early Ming dynasty (1368–1683)