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Ordnance crest "WHAT'S IN A NAME" - military education about SNL. This is a historic (index) list of United States Army weapons and materiel, by their Standard Nomenclature List (SNL) group and individual designations — an alpha-numeric nomenclature system used in the United States Army Ordnance Corps Supply Catalogues used from about 1930 to about 1958.
The British measured boost pressure as lbs./sq.inch (or psi) above a nominal value of atmospheric pressure at sea level. A reading of +6 meant that the air/fuel mix was being compressed by a supercharger blower to 20.7 (rounded figure) psi before entering the engine; +25 meant that the air/fuel mix was being compressed to 39.7 psi – 14.7 psi ...
MK-3-12 (1907), a Russian naval main weapon that used three 12-inch guns in a single mounting; Mark 12 torpedo (1930), an American 21-inch torpedo; 5"/38 caliber gun or Mark 12 5"/38 (1934), a widely used American 5-inch naval gun; 18 inch Mark XII torpedo (1935), a British 18 inch torpedo; Supermarine Spitfire Mk XII (1942–1944); the first ...
2 × 20 mm Hispano Mk II cannon with 120 rounds-per-gun (rpg) in the outer bays combined with 2 × 0.5-inch (12.7 mm) Browning M2 machine guns, with 250 rpg in the inner bays. With the relocation of the Hispano to the outer gun bay the blisters covering the feed motors were moved outboard on the gun bay doors.
The basic F.37/34 (as Spitfire was still then known) wing and undercarriage were mated to a modified fuselage which provided room for a gunner and a remote control four-gun turret (originally armed with .303 Brownings, later with Lewis light machine guns.) Other modifications included a cooling system mounted in a chin radiator housing.
The Model 12 variants—12-1, 12-2, and 12-3—used a narrower hammer [4] and had an aluminum grip frame that was 0.08-inch (2.0 mm) narrower than the standard steel K-frame. [1] The final version, the Model 12-4, used the standard frame dimension [5] of the other K-frames. It also featured a rounded butt. Pre-Model 12: predates model number ...
[12] The Ministry of Aircraft Production site on Springfield Road was hit on Monday 27 January 1941 around 2.30pm, when a plane was shot down. The Junkers Ju 88 had taken off from Schiphol. [13] In the raid 16 people at the factory were killed, 4 high-explosive bombs were dropped on the factory with 30 people injured. 4 houses were destroyed ...
The Lithgow Small Arms Factory was known to produce their single shot models 1A and 1B as well as their Model 12 repeater under the Slazenger brand during the 1960s. [1] The factory was first "corporatised" as Australian Defence Industries by the Hawke government , then later sold in 2006.