This dynamo, connected directly to a high-speed steam engine, was one of six that produced direct current at Thomas A. Edison's electric power station at 257 Pearl Street in New York City. The Pearl Street Station was the prototype for central station power generation. Edison set out in 1878 to provide an electrical distribution system to bring lighting into the home: His first filament lamp lit on October 21, 1879. With the help of Frances Upton and C.L. Clarke, Edison built his engine-driven dynamo for the 1881 Paris Electrical Exposition.
Dynamo
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Image Caption: Edison jumbo dynamoEra_date_from: 1882
1980
A pioneer in the development of electrical science, Nicholas Joseph Callan was born on 22 December 1799 in Darver, Ireland. He started the priesthood at Navan Seminary, and continued his studies at St. Patrick’s College Maynooth, where he studied natural and experimental philosophy under Dr. Cornelius Denvir. After his ordination as priest in 1823, Callan pursued his doctorate in divinity in Rome, where he became acquainted with Galvani and Volta’s work in the study of electricity, and recognized the potential to put it to practical and commercial use with powerful batteries.
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Image Credit: Public Domain; Produced prior to 1/1/1923Image Caption: Callan's Pioneering Contributions to Electrical Science and TechnologyEra_date_from: 1836
2006
Society: ASMEMain Category: Electric, MechanicalSub Category: SteamEra: 1890-1899DateCreated: 1891Henry Ford MuseumDearbornState: MIZip: 48124Country: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-a-l/electric-power-production-steam/-49-marine-type-triple-expansion--engine-driven-dy, http://files.asme.org/ASMEORG/Communities/History/Landmarks/5537.pdfCreator: Vleck, John Van, Joy, David
This machine, which began operation on December 15, 1891, for the New York Edison Illuminating Company, represents the beginning of large-scale electric power generation in the United States. The generator was designed by chief engineer John Van Vleck, David Joy (known in England for his valve gear), and S. F. Prest.
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Image Credit: Courtesy ASMEImage Caption: Engine-Driven DynamoEra_date_from: 1891
1980