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The Telharmonium (also known as the Dynamophone [1]) was an early electrical organ, developed by Thaddeus Cahill c. 1896 and patented in 1897. [ 2 ] [ 3 ] [ 4 ] The electrical signal from the Telharmonium was transmitted over wires; it was heard on the receiving end by means of " horn " speakers.
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EICO was established in New York City in 1945 by radio repair business owner Harry Ashley to manufacture electronic test equipment in kit form. His first product, advertised in the July 1946 Radio News, was the model 113 VTVM/audible signal tracer. [ 1 ]
Keeley Electronics is an American manufacturer of effect units for electric guitars. The company, founded by Robert Keeley and operating from Oklahoma City, Oklahoma , [ 1 ] started with the Keeley Compressor pedal along with modifications for effects by Boss and Ibanez .
Oklahoma County is a county located in the central part of the U.S. state of Oklahoma. As of the 2020 census, the population was 796,292, [1] making it the most populous county in Oklahoma. The county seat is Oklahoma City, [2] the state capital and largest city. Oklahoma County is at the heart of the Oklahoma City metropolitan statistical area.
Oklahoma City, OK - Lincoln Terrace Historic District - 632 NE 15th St Lincoln Terrace is a historic and diverse neighborhood [ 1 ] in the Eastside district of Northeast Oklahoma City , located on either side of Lincoln Blvd just south of the Oklahoma State Capitol , between NE 13th and NE 23rd streets.]
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