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  2. Sylvania Electric Products - Wikipedia

    en.wikipedia.org/wiki/Sylvania_Electric_Products

    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.

  3. Cathode-ray tube - Wikipedia

    en.wikipedia.org/wiki/Cathode-ray_tube

    The only visible differences are the single electron gun, the uniform white phosphor coating, and the lack of a shadow mask. A cathode-ray tube ( CRT) is a vacuum tube containing one or more electron guns, which emit electron beams that are manipulated to display images on a phosphorescent screen. [ 2 ]

  4. EL34 - Wikipedia

    en.wikipedia.org/wiki/EL34

    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 ...

  5. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    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.

  6. List of television manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_television...

    Formerly part of Harvard International Amstrad - - Andrea Electronics 1947 1978 Apex Digital: 1997 2010 Apple Inc. 1993 present Released the Macintosh TV in 1993 Arcam: 2011 present Arise India: 2012 present AGA AB: 1952 - Audiovox - - Now Voxx International: AWA: 1956 1974 Baird: 1926 1980 made the first TVs, brand name after 1956 Bang ...

  7. Interchangeable parts - Wikipedia

    en.wikipedia.org/wiki/Interchangeable_parts

    Interchangeable parts. Ford would often use interchangeable parts between car models to save costs, but slowly decreased after it lost market share to Chevrolet. Interchangeable parts are parts ( components) that are identical for practical purposes. They are made to specifications that ensure that they are so nearly identical that they will ...

  8. List of auto parts - Wikipedia

    en.wikipedia.org/wiki/List_of_auto_parts

    This is a list of auto parts, which are manufactured components of automobiles. This list reflects both fossil-fueled cars (using internal combustion engines) and electric vehicles; the list is not exhaustive. Many (not all) of these parts are also used on other motor vehicles such as trucks and buses.

  9. Part number - Wikipedia

    en.wikipedia.org/wiki/Part_number

    Part number. A part number (often abbreviated PN, P/N, part no., or part #) is an identifier of a particular part design or material used in a particular industry. Its purpose is to simplify reference that item. A part number unambiguously identifies a part design within a single corporation, sometimes across several corporations. [ 1]

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