190 mm D42 Austro-Ugarska Poznat još kao:
Austro-Ugarska19 cm/42 (7.48") Skoda
Italija 190 mm/39 (7.48") Skoda
Used on Austria-Hungary pre-dreadnoughts and armored cruisers of the early 1900s.
Some of these ships were ceded after World War I to Italy, where they were scrapped and the guns then used as coastal artillery and on pontoon GM269.
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76 mm D40 Italija Poznat još kao:
UK 12-pdr [3"/40 (7.62 cm)] 12cwt QF Marks I, II and V
Japan 3"/40 (7.62 cm) Elswick Pattern N and Vickers Mark Z
Japan 3"/40 (7.62 cm) 41st Year Type
Japan 8 cm/40 (3") 41st Year Type
Italija 3"/40 (7.62 cm) Armstrong 1916 and 1917
Italija 76.2 mm/40 (3") Ansaldo 1916 and 1917
First used on the "27-knot" destroyers of the 1890s. Many small warships still carried these old guns during World War II and they were also used in coastal defense batteries.
The Mark I was a fairly complicated design of A tube, B tube, jacket and C hoop shrunk over the B tube/jacket join. The Mark II was a First World War gun with a combined B tube and jacket while the Mark V was produced during the Second World War and had a monobloc barrel. Some 4,737 Mark I and IIs were built along with an additional 3,494 Mark Vs. Canada also built over 1,000 of these weapons, which were referred to as the "Ogden 3-inch" as they were manufactured at the Canadian Pacific Railway's Ogden shops in Calgary.
The Japanese guns were originally purchased directly from Elswick and Vickers but later ones were license-built copies. These guns were similar to or virtually identical to the British Mark I. Used as anti-torpedo boat guns on larger warships. Redesignated as 41st Year Type on 25 December 1908. Redesignated in centimeters on 5 October 1917. Although finally classified as 8 cm, the bore remained 3.0" (7.62 cm).
Early Italian guns were purchased from Elswick. Nearly all of the later ones were built by Ansaldo under license to a design provided by Armstrong during World War I or to a modified design for anti-aircraft mountings. After World War I, these guns were used afloat mainly on older warships and auxiliaries. About 730 guns were used for the anti-aircraft defense of Italy during World War II.
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