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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.
In the 1850s, the Great Indian Peninsula Railway adopted the gauge of 1,676 mm (5 ft 6 in) for the first passenger railway in India between Bori Bunder and Thane. [1] [2] This was then adopted as the standard for the nationwide network. Indian Railways today predominantly operates on 1,676 mm (5 ft 6 in) broad gauge. Most of the metre gauge and ...
By 1922, 80 percent of all new coal mines in the United States were being developed using 3 ft 6 in (1,067 mm) (42 inch) gauge trackage, and the American Mining Congress recommended this as a standard gauge for coal mines, using a 42-inch (1,067 mm) wheelbase and automatic couplers [which?] centered 10 inches (254 mm) above the rail.
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For Indian gauge railways, double stacking maximum height shall be 7.1 m (23 ft 4 in), and minimum overhead wiring height shall be 6.5 or 6.75 m (21 ft 4 in or 22 ft 2 in) above rails. Minimum overhead wiring height for double stacking, standard gauge railways shall be 6.5 m (21 ft 4 in), and Indian gauge railways shall be 7.45 m (24 ft 5 in ...
This is the scale which MOROP has defined for O scale, because it is half the size of the 1:22.5 Scale G-gauge model railways made by German manufacturers. [citation needed] 1:43.5: 7.02 mm: Model railways (0) Exact O scale of 7 mm = 1 foot. 1:43: 7.088 mm: Die-cast cars: Still the most popular scale for die-cast cars worldwide, metric or ...
A board foot is a United States and Canadian unit of approximate volume, used for lumber. It is equivalent to 1 inch × 1 foot × 1 foot (144 cu in or 2,360 cm 3). It is also found in the unit of density pounds per board foot. In Australia and New Zealand the terms super foot or superficial foot were formerly used for this unit. The exact ...
5 ft 11 in 180 cm: 1 ⁄ 2 in 1 cm 1964: Lyndon B. Johnson: 6 ft 3 + 1 ⁄ 2 in 192 cm: Barry Goldwater [59] 5 ft 11 in 180 cm: 4 + 1 ⁄ 2 in 11 cm 1960: John F. Kennedy: 6 ft 1 in 185 cm: Richard Nixon: 5 ft 11 + 1 ⁄ 2 in 182 cm: 1 + 1 ⁄ 2 in 4 cm 1956: Dwight D. Eisenhower: 5 ft 10 + 1 ⁄ 2 in 179 cm: Adlai Stevenson II [59] 5 ft 10 in ...