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Sylvania Electric Products. Sylvania Electric Products Inc. was an American manufacturer of diverse electrical equipment, including at various times radio transceivers, vacuum tubes, semiconductors, and mainframe computers such as MOBIDIC. They were one of the companies involved in the development of the COBOL programming language.
YD1336 – 1.8 kW, Air-cooled, UHF power triode. YD1342 – 30 MHz, 530 kW, Water-cooled RF power triode. YD1352S (8867, DX334) – 5 MHz, 2 kW, Water-cooled Neotron, a gridless field-effect tube where a magnetically focused electron beam is modulated by varying the voltage of a gate electrode surrounding it.
A raised-relief, scale model of the curve was included as part of the Pennsylvania Railroad's exhibit at the 1893 World's Columbian Exposition in Chicago. [25] Pennsylvania Railroad conductors were told to announce the Horseshoe Curve to daytime passengers—a tradition that continues aboard Amtrak trains. [17]
The Sylvania Awards were given by the television manufacturer Sylvania Electric Products for various categories of television performance, broadcasting, scripts, music and other aspects of production between 1951 and 1959. In their day they rivaled the Emmy Award for prestige. They came to an end after the sponsor was merged into GTE .
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 ...
The EL34 is a thermionic vacuum tube of the power pentode type. The EL34 was introduced in 1955 by Mullard, who were owned by Philips. [1] The EL34 has an octal base (indicated by the '3' in the part number) and is found mainly in the final output stages of audio amplification circuits; it was also designed to be suitable as a series regulator by virtue of its high permissible voltage between ...
Television signals are received from the Black Hill [72] TV transmitter or one of the local relay transmitters (Rosneath [73] and Ravenscraig [74]). An internet-based TV station – Inverclyde TV – is run by Creative Industries students at Greenock's West College Scotland. Inverclyde FM on line is a community Internet radio station run by ...
Sylvania Waters (1992) was an Australian show that depicted a family, similar in concept to An American Family. The 1994–95 O. J. Simpson murder case, during which live network television followed suspect Simpson for 90 minutes being chased by police, has been described as a seminal moment in reality television. Networks interrupted their ...