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With a mass of only 44.5 pounds (20 kg), it was the only complete machine gun at the time that could be carried by one man. In 1895, in response to the interest shown in the 40 pounds, air-cooled Colt-Browning M1895 ( Potato Digger ) in the U.S. machine gun trials, Hiram Maxim introduced his own air-cooled Extra Light gun weighing only 27 ...
Potain's aspirator. A medical aspirator is a suction machine used to remove mucus, blood, and other bodily fluids from a patient.They can be used during surgical procedures but an operating theater is generally equipped with a central system of vacuum tubes. [1]
Sir Hiram Stevens Maxim (5 February 1840 – 24 November 1916) was an American-born British inventor best known as the creator of the first automatic machine gun, the Maxim gun. [1] Maxim held patents on numerous mechanical devices such as hair-curling irons , a mousetrap , and steam pumps .
Colleoni machine gun — 6.50×52mm Mannlicher–Carcano: Ammunition belt Italy: 1908 Colt Machine Gun: Colt's Manufacturing Company: 5.56×45mm NATO: Ammunition belt United States: 1965 Colt Automatic Rifle: 5.56×45mm NATO: Detachable box magazine United States: 1982 Darne machine gun: Hotchkiss et Cie: 7.50×54mm French 8.00×51mmR French ...
The Maxim gun is a recoil-operated machine gun invented in 1884 by Hiram Stevens Maxim.It was the first fully automatic machine gun in the world. [15]The Maxim gun has been called "the weapon most associated with imperial conquest" by historian Martin Gilbert, [16] and was heavily used by colonial powers during the "Scramble for Africa".
The main effects of surface tension are on minimum operating pressure, spray angle, and drop size. Surface tension is more apparent at low operating pressures. A higher surface tension reduces the spray angle, particularly on hollow cone nozzles. Low surface tensions can allow nozzles to be operated at lower pressures.
M1895 operating mechanism showing the lever (P) in the forward (top) and rear (bottom) positions. Filed for patent in 1892, the M1895's operating mechanism is one of John and Matthew S. Browning's early patents for automatic rifles; [10] [11] they had previously been working on lever-action rifles for Winchester such as the Winchester 1886.
The Gardner gun was an early type of mechanical machine gun. It had one, two or five barrels , was fed from a vertical magazine or hopper and was operated by a crank. When the crank was turned, a feed arm positioned a cartridge in the breech, the bolt closed and the weapon fired.