In the introduction of firearms from the late Middle Ages, tries were being produced to design and style a weapon that may hearth multiple shot with no reloading, commonly by a cluster or row of barrels fired in sequence. In 1718 James Puckle in London patented a machine gun https://beltfedmachinegun64852.shotblogs.com/the-definitive-guide-to-shoot-a-machine-gun-48416054