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16,500 metres (18,000 yd) The Cannone da 149/35 A was a heavy gun which served with Italy during World War I and World War II. It was already an old-fashioned weapon when introduced around 1900. It lacked a recoil system of any kind and could not traverse. The gun recoiled up two ramps placed behind the wheels and had to be re-laid after every ...
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " 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 ...
The 15 cm SK C/28[Note 1] was a German medium-caliber naval gun used during the Second World War. It served as the secondary armament for the Bismarck class and Scharnhorst -class battleships, Deutschland -class cruisers and the Graf Zeppelin -class aircraft carriers. A number of surplus weapons were used as coast-defense guns and eight were ...
The 149/12 was a conventional artillery piece of the era with spoked wooden wheels with steel rims, a steel box trail carriage, a horizontal sliding-block breech, hydro-spring recoil system, a gun shield and used cased separate-loading charges and projectiles. The carriage had an open space behind the breech to accommodate high angles of ...
The gauge (in American English or more commonly referred to as bore in British English) of a firearm is a unit of measurement used to express the inner diameter (bore diameter) of the barrel. Gauge is determined from the weight of a solid sphere of lead that will fit the bore of the firearm and is expressed as the multiplicative inverse of the ...
37 mm kan M/98B (Finspång 37 mm naval gun L/39 model 1901) Sweden-Norway. 1900s - Cold War. 38.1 mm (1.50 in) 38 mm kan M/84 (Nordenfelt 1½In fast shooting naval gun L/43 model 1884) Sweden-Norway. 1880s - World War I. 40 mm (1.6 in) 40 mm ubakan m/32 (Bofors 40 mm submarine automatic gun L/43 model 1932)
L9A1 51 mm Light Mortar United Kingdom: Modern 6.275 51 51 mm E1 India: Modern 4.88 51 Madsen 51mm Advanced Field Mortar Denmark: World War II / Cold War: 17.4 52 2 inch Medium Trench Mortar/2-inch Howitzer United Kingdom: World War I: 48 52 SBML 2-Inch United Kingdom: World War II: 4.8 58.3 Mortier de 58 mm type 2 "Crapouillot" [4] France ...
It is a transitional size with the shorter side of ISO A4 (210 mm, 8 + 1 ⁄ 4 inch) and the longer side of British Foolscap (13-inch, 330 mm). ISO A4 is exactly 90% the height of F4. This size is sometimes also known as (metric) 'foolscap' or 'folio'. In some countries, the narrow side of F4 is slightly broader: 8.5 inches (216 mm) or 215 mm.