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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.
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 ]
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The company was called Thompson Ramo Wooldridge Inc., after the 1958 merger of the Ramo-Wooldridge Corporation and Thompson Products. This was later shortened to TRW. This was later shortened to TRW. The company was founded in 1901 and lasted for just over a century until being acquired by Northrop Grumman in 2002.
The World Series of Rock was a recurring, day-long multi-act summer rock concert held at Cleveland Stadium in Cleveland, Ohio from 1974 through 1980. [1] Belkin Productions staged these events, attracting popular hard rock bands and as many as 88,000 fans. FM rock radio station WMMS sponsored the concerts. [2] Attendance was by general admission.
Pages in category "1980s in Cleveland" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. 0–9.
The company moved to Aurora, Ohio, occupying a 72,000-square-foot factory. The company reached the $1 million revenue mark in 1976; by the end of 1980, the company generated $18 million in revenue. Ohio Scientific's manufacturing presence likewise expanded into greater Ohio as well as California and Puerto Rico.
Gary David Gilbert, (January 13, 1935 – November 10, 1995) [1] on-air name Gary Dee, was a pioneer in controversial talk radio.He worked for stations which included WERE, WHK, and WWWE (now WTAM) in Cleveland, Ohio.