Gatling-gun? It essentially ushered in machine gun era, not to mention the current generation of multi-barrel systems like the Phalanx. http://www.history.com/

Gatling-gun? It essentially ushered in machine gun era, not to mention the current generation of multi-barrel systems like the Phalanx. http://www.history.com/topics/gatling-gun http://www.history.com/topics/gatling-gun https://en.m.wikipedia.org/wiki/Phalanx_CIWS https://en.m.wikipedia.org/wiki/Phalanx_CIWS