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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 ).
The gauge between the interior edges of the rails (the measurement adopted from 1844) differed slightly between countries, and even between networks within a country (for example, 1,440 mm or 4 ft 8 + 11 ⁄ 16 in to 1,445 mm or 4 ft 8 + 7 ⁄ 8 in in France).
The 8 bore (Commonwealth English), also known as the 8 gauge (American English), is an obsolete caliber used commonly in the 19th-century black-powder firearms for hunting large dangerous game. Design
The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10 −2 metres ( 1 / 100 m = 0.01 m). To help compare different orders of magnitude , this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm).
About 60% of the world's railways have a track gauge of 4 ft 8 + 1 ⁄ 2 in (1,435 mm) known as "standard gauge", but there are also narrow-gauge railways where the track gauge is less than standard and broad-gauge railways where the gauge is wider. In a similar manner, a scale model railway may have several track gauges in one scale.
Dual gauge between Russian gauge and another similar gauge can make these bonus gauges. 1,829 mm (6 ft) 1,945 mm (6 ft 4 + 9 ⁄ 16 in) 2,134 mm (7 ft) 2,140 mm (7 ft 1 ⁄ 4 in) (Brunel gauge) 2,503 mm (8 ft 2 + 1 ⁄ 2 in) (the maximum bonus gauge from the 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge gauntlet tracks).
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 ...
A scale ruler is a tool for measuring lengths and transferring measurements at a fixed ratio of length; two common examples are an architect's scale and engineer's scale.In scientific and engineering terminology, a device to measure linear distance and create proportional linear measurements is called a scale.