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The French scale, also known as the French gauge or Charrière system, is a widely used measurement system for the size of catheters. It is commonly abbreviated as Fr but may also be abbreviated as Fg , FR or F , and less frequently as CH or Ch (referencing its inventor, Charrière ).
Comparison of .577 Black Powder Express, .303 British & 8 bore bullets. The most common 8 bore cartridges used paper cases, much like shotgun shells, and true .835 in (21.2 mm) caliber projectiles. A larger version utilising a thin brass case was also available, although it fired .875 in (22.2 mm) projectiles, in reality making it a 7 bore. [5]
From 1920, the standard gauge part of the Siam railway amounting to 1,000 km (620 mi) was converted first to third rail, and then to 1,000 mm (3 ft 3 + 3 ⁄ 8 in) (metre gauge) making the whole system metre gauge. [19] 1,435 mm (4 ft 8 + 1 ⁄ 2 in) 1,000 mm (3 ft 3 + 3 ⁄ 8 in) (proposed) Tunisia: Tunis - Sfax Line 1,435 mm (4 ft 8 + 1 ⁄ 2 in)
The template formats a track gauge size into standard notation and adds the conversion into the imperial/metric (other) size Template parameters [Edit template data] Parameter Description Type Status Track gauge definition 1 Defined track gauge, in mm or ft in. Also can accept: ' '', m, gauge name String required Link top measurement units lk =on: adds link to the gauge defining article String ...
The distance between the inside edges of the heads of the rails is defined to be 1,435 mm except in the United States, Canada, and on some heritage British lines, where it is defined in U.S. customary/customary UK units as exactly "four feet eight and one half inches", [7] which is equivalent to 1,435.1 mm.
20 lead balls of the diameter of a 20-gauge shotgun bore weigh one pound, while just 12 lead balls of the diameter of a 12-gauge shotgun bore equals the same weight. [2] A 20-gauge shotgun is more suitable for hunting certain types of game or for some hunters because it may have less felt recoil than an identical shotgun in a larger gauge, [5 ...
The definition of a Gauge is closely connected with the London Proof House a test and proofing Company what ensure that a proven Barrel meets the defined Standards. The first Definition: The diameter of the a Gauge N is the diameter of a Ball what is maid out of the equal parted N part of a imperial pound of soft Lead.
1,600 mm (5 ft 3 in) Irish gauge; 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge; These gauges are within tolerance. 1,520 mm (4 ft 11 + 27 ⁄ 32 in) Russian gauge; 1,522 mm (4 ft 11 + 29 ⁄ 32 in) as used by Helsinki Metro [24] 1,524 mm (5 ft) Dual gauge between Russian gauge and another similar gauge can make these bonus gauges. 1,829 mm (6 ft)