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till 1934: 5 twin 7.9-inch type D 40° from 1934: 5 twin 8.0-inch type D 40° Takao-class heavy cruisers Takao, Atago, Chokai. 5 twin 8.0-inch type E 70° Maya. 5 twin 8.0-inch type E 55° Mogami-class heavy cruisers: Mogami, Mikuma, Kumano, Suzuya. till 1939: 5 triple 6.1-inch 55° (classified as light cruiser) from 1939: 5 twin 8.0-inch type ...
A 120 mm M1 anti-aircraft gun at US Army Ordnance Museum. The 120 mm Gun M1 was the United States Army 's standard super-heavy anti-aircraft gun during World War II and the Korean War, complementing the smaller and more mobile M2 90 mm gun in service. Its maximum altitude was about 60,000 ft (18,000 m), which earned it the nickname stratosphere ...
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside diameter).
Category:150 mm artillery. Category. : 150 mm artillery. Guns with a bore of approximately 150 mm. This includes many German guns with an actual bore of 149.1 mm. Wikimedia Commons has media related to 150 mm artillery.
The QF 4-inch gun Mk IV was the main gun on most Royal Navy and British Empire destroyers in World War I. It was introduced in 1911 as a faster-loading light gun successor to the BL 4 inch Mk VIII gun. Of the 1,141 produced, 939 were still available in 1939. Mk XII and Mk XXII variants armed many British interwar and World War II submarines.
Muzzle velocity. 240 m/s (790 ft/s) ( HE) Effective firing range. 4,700 m (5,100 yd) Sights. Rblf36. The 15 cm sIG 33 (schweres Infanterie Geschütz 33, lit. "heavy infantry gun") was the standard German heavy infantry gun used in the Second World War. It was the largest weapon ever classified as an infantry gun by any nation.
0.3048 m. 30.48 cm. 304.8 mm. The foot ( pl. feet; standard symbol: ft) [1] [2] is a unit of length in the British imperial and United States customary systems of measurement. The prime symbol, ′, is commonly used to represent the foot. [3] In both customary and imperial units, one foot comprises 12 inches, and one yard comprises three feet.
Mesh (scale) Mesh is a measurement of particle size often used in determining the particle-size distribution of a granular material. For example, a sample from a truckload of peanuts may be placed atop a mesh with 5 mm openings. When the mesh is shaken, small broken pieces and dust pass through the mesh while whole peanuts are retained on the mesh.