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Some railways, primarily in the northeast, used standard gauge of 4 ft 8 + 1 ⁄ 2 in (1,435 mm); others used gauges ranging from 2 ft (610 mm) to 6 ft (1,829 mm). As a general rule, southern railroads were built to one or another broad gauge, mostly 5 ft ( 1,524 mm ), while northern railroads that were not standard-gauge tended to be narrow-gauge.
The least popular sizes are the 10 gauge and the 16 gauge; while far less common than the other four gauges, they are still commercially available. [citation needed] [9] Shotguns and shells exceeding 10 gauge, such as the 8 gauge, 6 gauge, 4 gauge, and 2 gauge are historically important in the United Kingdom and elsewhere in mainland Europe ...
New lines and extensions to the MTR after 2014 use 1,435 mm (4 ft 8 + 1 ⁄ 2 in) gauge, including the South Island line, Kwun Tong line extension and West Island line. The Bucharest Metro uses 1,432 mm (4 ft 8 + 3 ⁄ 8 in) gauge. The Washington Metro uses 4 ft 8 + 1 ⁄ 4 in (1,429 mm), 1 ⁄ 4 in (6 mm) narrower than standard gauge.
The Midwest, until after the Civil War (Ohio gauge) 1,492 mm 4 ft 10 + 3 ⁄ 4 in: Canada Toronto Suburban Railway [93] from 1891–1917. 4 ft 8 + 1 ⁄ 2 in (1,435 mm) until the end at 1931 1,495 mm 4 ft 10 + 7 ⁄ 8 in: Canada Toronto gauge: Halton County Radial Railway, Toronto streetcar system, and Toronto subway (Lines 1, 2, and 4) [93 ...
Also in the 19th century, in the United States, some 5 ft (1524 mm) broad-gauge locomotives were designed for easy conversion to 1,435 mm (4 ft 8 + 1 ⁄ 2 in) gauge, and in the United Kingdom some 7 ft 1 ⁄ 4 in (2140 mm) broad-gauge locomotive classes of the Great Western Railway were designed for easy conversion to 1435 mm (4 ft 8 + 1 ⁄ 2 ...
A typical round for defensive use would be a 12-gauge 2 + 3 ⁄ 4-inch (7.0 cm) length 00 buck shell, which contains 9 pellets roughly 8.4 millimetres (0.33 in) in diameter, each comparable to a .38 Special bullet in damage potential. New "tactical" buckshot rounds, designed specifically for defensive use, use slightly fewer shot at lower ...
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However, simply gauge, G or GA generally refers to Birmingham gauge. [ 1 ] The Charrière is measured by the ''outer'' diameter, and is defined as 1 Fr = 1/3 mm, and thus 1 mm = 3 Fr; therefore the diameter of a round catheter in millimetres can be determined by dividing the French size by 3. [ 2 ]