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The Youngstown Sheet and Tube Company, based in Youngstown, Ohio, was an American steel manufacturer. Officially, the company was created on November 23, 1900, when Articles of Incorporation of the Youngstown Iron Sheet and Tube Company were filed with the Ohio Secretary of State at Columbus. In 1905 the word "Iron" was dropped from the company ...
The Jeffrey Manufacturing Company, was an American industrial equipment manufacturing company, at one time the largest producer of coal cutting machines and mining locomotives in the world. It was established in 1878 as the Lechner Mining Machine Company, based in Columbus, Ohio , and is credited with producing America's first power-driven coal ...
Universal Tube & Rollform Equipment Corporation is an American manufacturer and supplier of metal machine tubes and pipes that is based in Perrysburg, Ohio. Founded in 1985, the company specializes in buying and selling tube mills, pipe mills, and rollforming machines.
In 1927, Cyrus S. Eaton acquired and combined Republic with several other small steel companies, with the goal of becoming large enough to rival U.S. Steel.The newly named Republic Steel Corporation was headquartered in Cleveland, Ohio, and became America's third largest steel company, trailing only U.S. Steel and Bethlehem Steel after acquiring Bourne-Fuller Company and the Central Alloy ...
National Tube manufactured over fifty different types of tube during the time. [2] As Pittsburgh's steel industry declined during the 1970s and 1980s, National Tube was hit hard by the financial issues that affected the American manufacturing industry at the time. Demand was at an all-time low. The final nail in the coffin was a large strike in ...
Most of the steel produced has been by the growing number of mini-mills, also called specialty mills, which in 2014 numbered 113. In 1981, mini-mills produced an estimated 15% of US steel. [13] Since 2002, steel produced by electric arc furnace, the process used by the mini-mills, has produced more than half the steel made in the US.
In 1943, there is a data sheet with copyright on the 703A ultra-high frequency triode vacuum tube used for the Joint-Army-Navy contract NXSR-81414. [22] The Governing Board of the American Institute of Physics approved Tung-Sol Lamp Works as a firm approved by the Board on February 26, 1944. [ 23 ]
The company used thirty metals to make 400 commonly used alloy steels. It had nine mills in New York, New Jersey, Pennsylvania and Ohio, two coal mines, a water company and a half-interest in a Mesabi Range iron ore mine. Now the company's chairman, Hufnagel brought in Raoul Eugene Desvernine [28] as president. With a legal background ...
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