Montigny mitrailleuse
The Montigny mitrailleuse was an early type of crank-operated machine-gun developed by the Belgian gun works of Joseph Montigny between 1859 and 1870. It was an improved version of the "Mitrailleuse", () invented by Belgian Captain Fafschamps in 1851 which was a fixed 50-barrelled volley gun.
Henry Metcalfe (military officer)
Captain Henry Metcalfe (October 29, 1847 – August 17, 1927) was an American Army ordnance officer, inventor and early organizational theorist, known for his 1873 invention of a detachable magazine for small arms, for his work on modern management accounting, the development of the "time card" and his theory on the role of middle management.