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This led to the development of the 10-inch/40 caliber gun. [1] The Mark 3 was specifically designed for the Tennessee-class armored cruisers, numbered in order after the Mark 1 and Mark 2s, Nos. 27–47, with No. 27 being delivered in February 1906. Nos. 27–31, 36, and 45 were all Mod 0s, with Nos. 37–44, 46, and 47 being Mod 1s.
The Mk III gun was designed by the Elswick Ordnance Company as a modification of the Royal Arsenal (Woolwich) designs. It was trunnionless and made entirely of steel. It was connected to its carriage by way of three 'thrust-collars' which were formed on the exterior halfway round on the lower side of the gun beneath the center of gravity.
The Mark 3 was a 48.9 calibers built-up gun designed and built in the United Kingdom for use in the two New Orleans-class protected cruisers that the US Navy had purchased from the United Kingdom before the Spanish–American War. They were based on the British 4.7-inch Gun Mark IV, but a non-standard export model, the standard Mark IV was 40 ...
The 3-inch/50-caliber gun (Mark 22) was a semiautomatic anti-aircraft weapon with a power-driven automatic loader and was fitted as single and twin mounts. The single mount was to be exchanged for a twin 40 mm antiaircraft gun mount, and the twin 3-inch/50 for a quadruple 40 mm mount, on Essex -class aircraft carriers , and Allen M. Sumner and ...
These guns were modified for ground use by the replacement of the spade grip with a crude skeleton stock and the addition of a simple wooden fore-stock which would allow the gun to be fired while resting on a sandbag, or from the hip while advancing. Mark III**. The designation for the .303 Mark III modified in the same way as the US M1918s.
The Mark 3, gun Nos. 15–48 and 50–56, was constructed of tube, jacket, and eight hoops. It was found that the early guns suffered from excessive bore erosion, in an attempt to fix this the Navy reduced the propellant charges to reduce the muzzle velocity, because of this the Mark 4, gun Nos. 49, 58–60, 150–154, and 179, was similar to ...
Canon EOS-1D Mark III; Canon EOS-1Ds Mark III; Harvard Mark III, an early computer built at Harvard University and used by the US Navy; Mesa Boogie Mark III, an electric guitar amplifier; Sega Mark III, the original Japanese branding of Sega Master System, a video game console; Vox Mark III, a teardrop-shaped electric guitar of the 1960s
However, due to a miscommunication between the two Navy departments involved in the design, the ships required a lighter gun than the Mark 2/Mark 3, resulting, ultimately, in the design of the 267,900 lb (121,500 kg) 16"/50 caliber Mark 7 gun. In January 1941 all but three of the remaining fifty Mark 2 and Mark 3 guns were released to the Army.