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Concept
Hand cannon
Summary
The hand cannon (Chinese: 手銃 shŏuchòng, or 火銃 huŏchòng), also known as the gonne or handgonne, is the first true firearm and the successor of the fire lance. It is the oldest type of small arms as well as the most mechanically simple form of metal barrel firearms. Unlike matchlock firearms it requires direct manual external ignition through a touch hole without any form of firing mechanism. It may also be considered a forerunner of the handgun. The hand cannon was widely used in China from the 13th century onward and later throughout Eurasia in the 14th century. In 15th century Europe, the hand cannon evolved to become the matchlock arquebus, which became the first firearm to have a trigger.
History of gunpowder and Timeline of the Gunpowder Age
The earliest artistic depiction of what might be a hand cannon — a rock sculpture found among the Dazu Rock Carvings — is dated to 1128, much earlier than any recorded or precisely dated archaeological samples, so it is possible that the concept of a cannon-like firearm has existed since the 12th century. This has been challenged by others such as Liu Xu, Cheng Dong, and Benjamin Avichai Katz Sinvany. According to Liu, the weight of the cannon would have been too much for one person to hold, especially with just one arm, and points out that fire lances were being used a decade later at the Siege of De'an. Cheng Dong believes that the figure depicted is actually a wind spirit letting air out of a bag rather than a cannon emitting a blast. Stephen Haw also considered the possibility that the item in question was a bag of air but concludes that it is a cannon because it was grouped with other weapon-wielding sculptures. Sinvany concurred with the wind bag interpretation and that the cannonball indentation was added later on.
The first cannons were likely an evolution of the fire lance. In 1259 a type of "fire-emitting lance" (tūhuǒqiãng 突火槍) made an appearance. According to the History of Song: "It is made from a large bamboo tube, and inside is stuffed a pellet wad (zǐkē 子窠).
Official source
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