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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.
Hammond Organ Company – Chicago, Illinois; Lowrey Organ Company – Chicago, Illinois; Marshall & Ogletree – Needham, Massachusetts; Rodgers Instruments – Hillsboro, Oregon (owned by parent company Vandeweerd in Netherland, owner of Johannus) Thomas Organ Company; Walker Technical Company - Center Valley, Pennsylvania
A&B Sound – home electronics retailer based in Richmond, BC; founded in 1959, it had expanded as far as Winnipeg, Manitoba by 2000, but its subsequent decline saw the company go bankrupt by 2008; Bata Shoes – shoe retailer and manufacturer; Beaver Lumber – hardware/lumber store chain; acquired by Home Hardware; Big Lots Canada
Frank Morse Robb (January 28, 1902 – October 5, 1992) was a Canadian inventor and entrepreneur who resided in Belleville, Ontario. [1] He is best known for his invention of the first electronic tone wheel organ, the Robb Wave Organ, [2] however he has several patents to his name, in areas such as television, fuel draught carburetors, and for devices such as an 'Electronic Viewscope for the ...
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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Therevox ET-4.3 Therevox pitch control ring Therevox pressure-sensitive paddles. Therevox builds custom musical instruments in Ontario, Canada.The company focuses on continuous-pitch instruments and is known for building a modern analog synthesizer inspired by the rare Ondes Martenot.
The completion of the Model "K" instrument precipitated a visit from Lady Flora Eaton, who then had Robb Wave Organs installed in both Toronto and Montreal Eaton's stores, where demonstrations were given to critics and the general public. [1] The Robb Wave Organ Company was incorporated on September 21, 1934.