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Lincoln patented the first lever grease gun to work with a full stroke operation called the Model 1242. This meant that a hand-held grease gun could generate up to 10,000 lbf/in² (70 MPa) of pressure. Operators of the unit could push grease into blocked or "frozen" fittings and the unit allowed for work in confined areas.
The M3 is an American .45-caliber submachine gun adopted by the U.S. Army on 12 December 1942, as the United States Submachine Gun, Cal. .45, M3. [12] The M3 was chambered for the same .45 ACP round fired by the Thompson submachine gun , but was cheaper to mass produce and lighter, at the expense of accuracy. [ 12 ]
From the submachine gun the .30 carbine light rifle prototype was developed, it was competing to become the M1 carbine but lost to Winchester. While sharing many parts with the submachine gun the light rifle uses a gas piston, it was built in semi-automatic and fully automatic versions and issued with a 12 round magazine. [12] [13] [14]
Grease fitting on a bearing A grease nipple on the driver's door of a 1956 VW Beetle. A grease fitting, grease nipple, Zerk fitting, grease zerk, Alemite fitting, or divit is a metal fitting used in mechanical systems to feed lubricants, usually lubricating grease, into a bearing under moderate to high pressure using a grease gun.
A grease gun (pneumatic) A grease gun is a common workshop and garage tool used for lubrication. The purpose of the grease gun is to apply lubricant through an aperture to a specific point, usually from a grease cartridge to a grease fitting or 'nipple'. The channels behind the grease nipple lead to where the lubrication is needed.
Responding to a request for further simplification, the M1 was standardized in April 1942 as the United States Submachine Gun, Cal. .45, M1. Rate of fire was reduced to approximately 600–700 rpm. First issued in 1943, the M1 uses a simple blowback operation, with the charging handle moved to the side. The flip-up adjustable Lyman rear sight ...
Agar advertised the gun as "an army in six feet square", due to its high rate of fire. [3] In 1861, the Agar machine gun was demonstrated to President Abraham Lincoln, who was very impressed by the weapon. Lincoln wrote "I saw this gun myself, and witnessed some experiments with it, and I really think it is worth the attention of the Government."
Main instigator of the Lincoln County War Lawrence Gustave Murphy (1831 – October 20, 1878) was an Irish immigrant to the United States , Union Army veteran, Grand Army of the Republic member, Republican Party ward heeler , racketeer , Old West businessman and gunman, and a main instigator of the Lincoln County War .