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European standard steel grade names fall into two ... Number = 100 × nom thick in mm Letter for type of product (A ... SCM 4 1.6582 1.6562: 34CrNiMo6: 4340: 34CrNiMo6
While modern firearms are generally referred to by the name of the cartridge the gun is chambered for, they are still categorized together based on bore diameter. [citation needed] For example, a firearm might be described as a "30 caliber rifle", which could accommodate any of a wide range of cartridges using a roughly 0.30 inches (7.6 mm) projectile; or as a "22 rimfire", referring to any ...
During the Cold War, the concept of the main battle tank was established and guns of 105 mm (4.1 in) (NATO) and 100 mm (3.9 in) (Warsaw Pact) were the standard until the advent of guns of 120 mm (4.7 in) (NATO) and 125 mm (4.9 in) (Warsaw Pact) from the 1960s to the 1990s.
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 groove diameter was decreased from 6.01–6.07 mm (0.237–0.239 in) to 5.98–6.02 mm (0.235–0.237 in). In addition, the twist rate in the revised 95-1 assault rifle was reduced from 240–210 mm (9.4–8.3 in).These changes reduced the rifling twist rate from 41.2 to 36 calibers.
These run from A to L (omitting F and I) and depending on the largest dimension of the battery can either signify 0.0 – 0.9 mm maximum dimensions or 0.00 – 0.09 mm maximum dimensions with A being 0.0 or 0.00 and L being 0.9 or 0.09.
In early 1802-based microcomputers, the companion graphics Video Display Controller chip, RCA CDP1861 (for the NTSC video format, CDP1864 variant for PAL), used the built-in DMA controller to display black and white bitmapped graphics on standard TV screens at up to 64 pixels horizontally by 128 pixels vertically. The 1861 was also known as the ...
The recent formula used by the Brannock device assumes a foot length of 2 barleycorns less than the length of the last; thus, men's size 1 is equivalent to a last's length of 8 + 1 ⁄ 3 in (21.17 cm) and foot's length of 7 + 2 ⁄ 3 in (19.47 cm), and children's size 1 is equivalent to 4 + 1 ⁄ 4 in (10.8 cm) last's length and 3 + 7 ⁄ 12 in ...