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Gatling gun - Wikipedia
Gatling gun | History, Description, & Facts | Britannica
Gatling Gun ‑ Date, Inventor & Usage - HISTORY
Shooting USA: History's Guns: The Gatling Gun - YouTube
Richard Jordan Gatling and His Gun - We're History
The Introduction of the Gatling Gun — And How It Changed …
Richard Jordan Gatling | Civil War, Machine Gun, Inventor
The History of the Gatling Gun - Popular Mechanics
WW1: Did the machine-gun save lives? - BBC Teach
The Mass Production of Death: Richard Jordan Gatling Invents the ...