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United States powder manufacturers resumed powder sales of one-pound (454 gram) canisters after observing Hodgdon's successful sales to handloaders. DuPont resumed retail distribution of their pre-war nitrocellulose Improved Military Rifle (IMR) series; and Hercules Powder Company resumed production of six of their pre-war double-base powders.
The Confederate Powderworks was the second largest gunpowder factory in the world at that time, producing 3.5 tons per day. More than 2.75 million pounds of first-quality gunpowder (a majority of the powder used by the Confederacy) were produced before its closure in 1865. [5]
Oriental Powder Company was a gunpowder manufacturer with mills located on the Presumpscot River in Gorham and Windham, Maine. The company was one of the four largest suppliers to Union forces through the American Civil War .
A saltpetre works or nitrary [1] is a place of production of potassium nitrate or saltpetre used primarily for the manufacture of gunpowder. The saltpeter occurs naturally in certain places like the "Caves of Salnitre" ( Collbató ) known since the Neolithic.
Schaghticoke Powder Company was a powder mill located in Rensselaer County, New York in the village of Schaghticoke. The powder mill was founded by Josiah Masters and Nicholas Masters in 1813 for the supply of gunpowder during the War of 1812 .
The introduction of smokeless powder in the late 19th century led to a contraction of the gunpowder industry. After the end of World War I , the majority of the British gunpowder manufacturers merged into a single company, "Explosives Trades limited", and a number of sites were closed down, including those in Ireland.
As smokeless powder and high explosives replaced gunpowder for most purposes, DuPont became the major manufacturer of United States gunpowder until discontinuing production in 1971. Subsequent production for use in pyrotechnics and antique firearms has been undertaken by smaller firms whose operations are often ended by the persistent hazard of ...
Manufacturing facilities were dispersed along the 2-mile (3.2 km) power canal to minimize damage during infrequent explosions. King's son-in-law Gershom Moore Peters began working at the powder mill in 1881 and became president of the powder company when King died in 1885. Peters formed the Peters Cartridge Company at Kings Mills in 1887.