Chongtong
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Chongtong is a term for military firearms of the Goryeo and Joseon dynasties. Chongtong varied in size from hand cannons to large cannons. There were three generations of chongtong. The well-known che
Three of the large chongtong in Jinju Fortress. The closest is a "Cheonja", the second is a "Jija", and the third is a "Hyeonja".
A page of the Korean Kukcho Orye-ui (ca. 1474) showing an early type of hand cannon (chhung thung or chongtong) and the bolt-like arrow and metal fins which was shot from it.
Arrow of the same kind of the one above but larger, over 9 ft (2.7 m) long, with metal head and fins, shot from a similar type of gun. Seoul Museum.
This Cheonja-chongtong is the largest size.
Cetbang
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Cetbang were cannons produced and used by the Majapahit Empire and other kingdoms in the Indonesian archipelago. There are 2 main types of cetbang: the eastern-style cetbang which looks like a Chinese
A galley from Banten, four cetbang can be seen.
Majapahit cetbang cannon from the Metropolitan Museum of Art, New York, from ca. 1470–1478. The Surya Majapahit emblem can be seen. The bulge at the back of the breech is actually a hole where the tiller or wooden butt is inserted.
A Madurese galley, showing four cetbang.
A cetbang found on Selayar island