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An even more ingenious American design was the Guiberson periscope rifle, which featured a pop-out stock with a built-in periscope. [28] The Dutch designed the M.95 Loopgraafgeweer (Trench gun) based on the Dutch Mannlicher service rifle. It saw service with the Royal Netherlands Army from 1916 until World War II. [29]
This saw post-war controversy through legal action: "After the Second World War and a long court battle, in 1947 he, Rudolf Gundlach, received a large payment for his periscope patent from some of its producers." [8] The USSR also copied the design and used it extensively in its tanks, including the T-34 and T-70. The copies were based on Lend ...
The technology was later transferred to the USA and implemented as the M6 periscope in all US tanks (M3/M5 Stuart, M4 Sherman and others). After the Second World War the technology was adopted thorough the whole world. Even today, original Gundlach periscopes are used in some tanks and APCs. [dubious – discuss]
In USSR the Gundlach periscope was known as MK-4 (harking to the British designation, as Russian sources openly confirm that it was copied from samples acquired with British-supplied tanks) [2] and implemented in all tanks (including the T-34 and T-70). At the end of World War II this technology was adopted throughout the world and used ...
The 2 inch medium trench mortar, also known as the 2-inch howitzer, and nicknamed the "toffee apple" or "plum pudding" mortar, was a British smooth bore muzzle loading medium trench mortar in use in World War I from mid-1915 to mid-1917. The designation "2-inch" refers to the mortar barrel, into which only the 22 in (560 mm) bomb shaft but not ...
This is a list of United States Army fire control, and sighting material by supply catalog designation, or Standard Nomenclature List (SNL) group "F".The United States Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid-1920s to about 1958.
The Battle of the Porpoises (Portuguese: Batalha das Toninhas) is the name given to a military blunder involving the Brazilian Navy in the Gibraltar Strait, near the end of the First World War. [1] While on patrol for potential German submarines, the crew of the Bahia slaughtered a passing shoal of porpoises, mistaking them for the periscope of ...
The Krummlauf (English: "curved barrel") is a bent barrel attachment for the Sturmgewehr 44 (StG 44) rifle developed by Germany in World War II. The curved barrel included a periscope sighting device for shooting around corners from a safe position.