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The Hygrade Sylvania Corporation was formed when NILCO, Sylvania and Hygrade Lamp Company merged into one company in 1931. In 1939, Hygrade Sylvania started preliminary research on fluorescent technology, and later that year, demonstrated the first linear, or tubular, fluorescent lamp. It was featured at the 1939 New York World's Fair. [1]
Sylvania Electric Products, a former major American diversified electrical and electronics manufacturer; Sylvania (brand), its Canadian lighting products division which continues to license to both Havells Sylvania and Osram Sylvania; Osram Sylvania, an American lighting manufacturer owned by Osram AG of Germany
Sylvania was experimenting with large-scale production of thorium metal from thorium dioxide. Part of the process of shutting down this experiment was the reprocessing and burning of thorium metal powder sludges that went unprocessed during the experiment. It was during the incineration of this material that the explosion occurred.
The 6V6GTA – RMA Release #1681 – 2 July 1956, sponsored by Hygrade Sylvania Corporation, has a controlled warm-up period. [ 9 ] The various different NOS (new old stock) tubes of the 6V6 family, depending on manufacturer, model, series, strength and condition, will vary enormously in scarcity and therefore usually in price.
Sylvania is a Canadian multinational electronics corporation headquartered in Toronto, Ontario, Canada. The company is owned in North America by Osram Sylvania and, outside of North America, Feilo Sylvania. The two license the brand to other companies for various products. The Sylvania brand was originally owned by Sylvania Electric Products. [1]
Osram Sylvania Inc. is the North American operation of lighting manufacturer Osram. It was established in January 1993, with the acquisition of GTE's Sylvania lighting division by Osram GmbH. [1] In 2016, Osram spun off its general lighting business to Ledvance which received a license to sell lighting products under the Osram and Sylvania ...
Sylvania is a city in Lucas County, Ohio, United States. The population was 19,011 at the 2020 census . [ 5 ] Sylvania is a suburb of Toledo , and encompassed by Sylvania Township .
The county was created on December 14, 1793, and was named for General James Screven, who died fighting in Georgia during the American Revolutionary War.Some wartime accounts used the alternate spelling of "Scriven" for the general, and the county's name was often spelled that way in its early history, as reflected on 19th-century Georgia maps.