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Lester Allan Pelton (September 5, 1829 – March 14, 1908) was an American inventor who contributed significantly to the development of hydroelectricity and hydropower in the American Old West as well as world-wide. In the late 1870s, he invented the Pelton water wheel, at that time the most efficient design of the impulse water turbine.
The Pelton wheel or Pelton Turbine is an impulse -type water turbine invented by American inventor Lester Allan Pelton in the 1870s. [1][2] The Pelton wheel extracts energy from the impulse of moving water, as opposed to water's dead weight like the traditional overshot water wheel. Many earlier variations of impulse turbines existed, but they ...
A preferred share of Bethlehem Steel Corporation, issued July 6, 1911 Naval artillery being assembled at Bethlehem Steel, c. 1918 The Bethlehem Steel mill in 1930 Bethlehem Graveyard and Steel Mill, a famed Great Depression-era photo of St. Michael's Cemetery in Bethlehem (foreground) and the smokestacks of Bethlehem Steel (background) in 1935 ...
Midvale Steel. Midvale Steel was a succession of steel -making corporations whose flagship plant was the Midvale Steel Works in Nicetown, Philadelphia, Pennsylvania. The mill operated from 1867 until 1976. In the 1880s, Frederick Winslow Taylor rose through the ranks at Midvale, from lathe operator, to gang boss, to engineer, to chief engineer ...
Lukens Steel Company. Lukens Steel Company, located in Coatesville, Pennsylvania, is the oldest iron mill in commission within the United States. In 1995, it was one of the three largest producers of plate steel and the largest domestic manufacturer of alloy-plate. It is ranked fourth out of 24 public steel corporations in profitability ...
The Miners Foundry (previously Nevada Foundry; Nevada Iron Foundry and Machine Shop, George Allan's Foundry and Machine Works, American Victorian Museum, Miners Foundry and Supply Company; currently Miners Foundry Cultural Center) is located at 325 Spring Street, Nevada City, California, USA. Built in Nevada County in 1856, it is a California ...
June 26, 1956. The Livezey House, also known as Glen Fern, is a historic house and mill on the east side of Wissahickon Creek in Philadelphia, Pennsylvania. [ 1] It was designated on the Philadelphia Register of Historic Places on June 26, 1956. [citation needed] The house was constructed (c.1725) by Thomas Shoemaker and sold to Thomas Livezey ...
The Cambria Iron Company of Johnstown, Pennsylvania, was a major producer of iron and steel that operated independently from 1852 to 1916. The company adopted many innovations in the steelmaking process, including those of William Kelly and Henry Bessemer. Founded in 1852, the company became the nation's largest steel foundry within two decades.