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Bessemer process. The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron. The oxidation also raises the temperature ...
This was one of the richest iron deposits in the United States. Coleman constructed Colebrook Furnace in 1791. He also acquired a share of the Martic Forge in 1801, His sons, James, Robert Bird, and William trained at Speedwell Forge when they came of age, moving on to manage other operations.
Isabella Furnace was a cold blast charcoal iron furnace located in West Nantmeal Township, Pennsylvania. The furnace was named for Isabella Potts, wife of one of the partners, a member of the Potts ironmaking family. Isabella was the last iron furnace to be built in the county, in 1835, and was operated by members of the Potts family and their ...
Speedwell Forge Mansion, also known as Speedwell Forge Homestead, is a historic home located at Elizabeth Township, Lancaster County, Pennsylvania. The ironmaster's mansion was built about 1760, and is a 2½-story, four bay wide and two bay deep, brownstone and fieldstone dwelling in the Georgian style.
The Wealden iron industry was located in the Weald of south-eastern England. It was formerly an important industry, producing a large proportion of the bar iron made in England in the 16th century and most British cannon until about 1770. Ironmaking in the Weald used ironstone from various clay beds, and was fuelled by charcoal made from trees ...
Leonard Lamb. NRHP reference No. 70000658 [1] Added to NRHP. January 26, 1970. Henry Clay Furnace is an historic iron furnace located in Cooper's Rock State Forest near Cheat Neck, Monongalia County, West Virginia. It was built between 1834 and 1836 by Leonard Lamb. [2] It is a 30-foot square, 30 feet high stone structure in the shape of a ...
Martha Furnace is an abandoned iron furnace in Burlington County, New Jersey, in the New Jersey Pine Barrens. It operated between 1793 and the mid-1840s, using charcoal fuel and locally-mined bog iron to make a variety of cast products as well as pig iron. For most of its operating history, it was principally owned by the New Jersey ironmaster ...
Tatara (furnace) Charcoal is added to a clay Tatara furnace in Niimi, Okayama until a temperature of over 800 °C is achieved. The tatara (鑪) is a traditional Japanese furnace used for smelting iron and steel. The word later also came to mean the entire building housing the furnace. The traditional steel in Japan comes from ironsand processed ...