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A powder mill was a mill where gunpowder is made [1] from sulfur, saltpeter and charcoal. Milling steps. Crude grinding and mixing operations such as the Frankford ...
Most of the industrial remains are located in the Hagley Yard. The mills were used in the purification, crushing, and mixing of charcoal, sulfur, and saltpeter. Other mills in the complex were used for glazing and corning, making metal powder kegs, and in cotton and woolen manufacturing. Stables, offices, a machine shop, and a steam powerhouse ...
The Frankford Powder-Mill is a historic gunpowder factory in the Frankford neighborhood of Philadelphia, Pennsylvania. At the time it was built in 1774 by Oswald Eve, it was the only such mill in the American colonies. Other powder mills operated in the 17th and 18th centuries but stopped production after the French and Indian war.
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 .
The Continental Powder Works at French Creek is a historic gunpowder manufacturing complex in East Pikeland Township, Chester County, Pennsylvania.Constructed on French Creek in early 1776 and intended to supply the Continental Army during the American Revolutionary War, the mill was the only powder mill and gun factory commissioned by the Continental Congress.
The Sibley cotton mill was built on the site as a private venture in 1880–82, using bricks from the demolished powder works, and became one of the largest and most successful cotton mills in the region. [5] It manufactured denim until 2006, and the mill's water-driven turbines still generate electricity which is sold to Georgia Power.
The site overlooks the original powder mills upon which the company was founded – now Hagley Museum and Library. The Experimental Station is located east from Hagley Museum and west-southwest from Nemours Children's Hospital, Delaware. The station serves as the primary research and development facility for DuPont.
The original location of the Ripault powder mill was on the right bank of the Indre, at the border of the present-day communes of Montbazon and Monts, situated between the river and the road (currently D87) connecting the two communes. Subsequently, the company expanded its operations to the south, on the left bank of the Indre, and to the west.