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Therefore with a 12-gauge, it would take 12 balls of lead of the same size as the 12 gauge shotgun's inner bore diameter to weigh 1 pound (453.6 g). [5] The term is related to the measurement of cannons, which were also measured by the weight of their iron round shot; an eight-pounder would fire an 8-pound (3.6 kg) ball. Therefore, a 12 gauge ...
Wine was measured with units based on the wine gallon of 231 cubic inches (3.785 L), beer was measured with units based on an ale gallon of 282 cubic inches (4.621 L) and grain was measured with the Winchester measure with a gallon of approximately 268.8 cubic inches (one eighth of a Winchester bushel or 4.405 L). In 1824, these units were ...
Following the Gun Control Act of 1968, most foreign .25 pistols were too small to be imported, however some domestic manufacturers continued to build guns in the caliber. No new .25 ACP pocket pistols have been developed in well over a decade, and it is unlikely that this will change anytime soon.
The pocket pistol originated in the mid-17th century as a small, concealable flintlock known as the Queen Anne pistol, the coat pistol, or the pocket pistol.This was used throughout the 18th century, evolving from a weapon reserved for the wealthy to a common sidearm in broader use as more and more manufacturers made them by the start of the 19th century.
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 ...
Parts-per notations may be expressed in terms of any unit of the same measure. For instance, the expansion coefficient of some brass alloy, α = 18.7 ppm/°C, may be expressed as 18.7 (μm/m)/°C, or as 18.7 (μ in/in)/°C; the numeric value representing a relative proportion does not change with the adoption of a different unit of length.
The Ordnance Quick-Firing 17-pounder (or just 17-pdr) [note 1] was a 76.2 mm (3 inch) gun developed by the United Kingdom during World War II.It was used as an anti-tank gun on its own carriage, as well as equipping a number of British tanks.
Dry measures are units of volume to measure bulk commodities that are not fluids and that were typically shipped and sold in standardized containers such as barrels.They have largely been replaced by the units used for measuring volumes in the metric system and liquid volumes in the imperial system but are still used for some commodities in the US customary system.