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Brush Arc Dynamos

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Title	Brush Arc Dynamos
Subject	Science and Technology Inventions Patents Inventors Electric lighting--Arc
Place	Cleveland (Ohio) Cuyahoga County (Ohio)
Description	Cleveland inventor Charles F. Brush's open coil-type dynamo is known as a predecessor to the modern generator. Shown here, the arc generator became one of Brush's first patented inventions in 1876. It measures approximately 6' x 6' (1.83 x 1.83 m). The second 8" x 10.5" (20.32 x 26.67 cm) photograph shows an improved dynamo produced by Brush in the 1890s. Charles Francis Brush (1849-1929) was born in Euclid, Ohio. Brush became interested in physics and chemistry as a student at Cleveland High School and earned his mining engineering degree from the University of Michigan in 1869. He returned to Cleveland, where he patented more than fifty inventions during the course of his career. In 1878, Brush invented the arc lamp, which was used to light streets and large spaces. It became one of the most widely-used lamps in the United States. Many of Brush's experiments were conducted in the basement laboratory of his Euclid Avenue home. The Brush Electric Company was formed in Cleveland in 1880. In 1891, the company merged with the Edison General Electric Company to become General Electric Company. After the merger, Brush retired from the business world to focus on his experiments and philanthropic work. He was a founder of the Case School of Applied Science and a trustee of Western Reserve University and received dozens of honorary degrees and awards for his work. Brush died in Cleveland on June 15, 1929. He is buried in Lake View Cemetery.
Creator	Brush, Charles F.
Date of Original	1876 circa; 1893 circa
Collection	Charles F. Brush Collection http://www.cwru.edu/UL/SpecColl/Brush/Brush.htm
Source	Historical object(s) or artifact(s)
Submitting Institution	Case Western Reserve University
Type	StillImage
Format	picture; objects

Title	Om56_1144908_136
Rights	For rights and reproduction requests, go to the Ohio Historical Society's Audiovisual and Graphic Reproduction Services page at http://www.ohiohistory.org/resource/audiovis/photodup.html; Online access is provided for research purposes only. For rights and reproduction requests or more information, go to http://www.ohiohistory.org/images/information
File Name	Om56_1144908_136.tif
Image Height	5789
Image Width	4728
File Size	8671.623 KB

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