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Kunitomo air gun 
Summary
The Kunitomo air gun was an air rifle circa 1820, by the Japanese inventor Kunitomo Ikkansai who developed various manufacturing methods for guns and also created an air gun based on the study of Western knowledge ("rangaku") acquired from the Dutch in Dejima.
| Kunitomo air rifle | |
|---|---|
 | |
| Type | Air rifle |
| Place of origin | Japan |
| Production history | |
| Designer | Kunitomo Ikkansai |
| Designed | 1820–1830 |
| Specifications | |
| Barrels | 1 |
| Sights | Iron |
