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75 mm Gun M1917
The 75 mm Gun Model of 1917 (British) was an interim measure, based on the British QF 18 pounder, produced by the United States in World War I after it had decided to switch from to 75 mm calibre for its field guns.
==History==
The US decided early in World War I to switch from to 75 mm calibre for its field guns. Its preferred gun for re-equipment was the French 75 mm Model of 1897, but early attempts to produce it in the US using US commercial mass-production techniques failed, partly due to delays in obtaining necessary French plans, and then their being incomplete or inaccurate, and partly because US industry was not equipped to work to Metric measurements.〔Brown 1920, Pages 50 - 56〕 By 1917 US firms had produced 851 QF 18 pounders for export to Britain. Hence production of a 75 mm version offered a simple interim solution, being basically a copy of the British QF 18 pounder rechambered for French 75 mm ammunition, utilizing existing production capacity.〔"The model of 1917 (British) was ordered shortly after the declaration of war (1917 ) to expedite production, inasmuch as the Bethlehem Steel Co. had orders for this type of gun and carriage from the British Government, and was in a position to proceed with the manufacture according to drawings, specifications, and gauges already on hand" Wade, 1919, page 17〕 It remains very similar to the 18 pounder, the main visible difference being a shorter barrel with straight muzzle.
The gun was developed too late to see action in World War I.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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