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  2. Havells Sylvania - Wikipedia

    en.wikipedia.org/wiki/Havells_Sylvania

    Sylvania Lighting (formerly Feilo Sylvania [1]), Havells-Sylvania, and SLI (Sylvania Lighting International), is an international designer and manufacturer of lighting products, trading as Sylvania. It has plants throughout Europe, Asia, North Africa and Central and South America, and is one of the few lighting companies that produces both ...

  3. Osram Sylvania - Wikipedia

    en.wikipedia.org/wiki/Osram_Sylvania

    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 ...

  4. Sylvania Electric Products - Wikipedia

    en.wikipedia.org/wiki/Sylvania_Electric_Products

    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]

  5. Movie projector - Wikipedia

    en.wikipedia.org/wiki/Movie_projector

    35 mm movie projector in operation Bill Hammack explains how a film projector works. A movie projector (or film projector) is an opto-mechanical device for displaying motion picture film by projecting it onto a screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras.

  6. Enlarger - Wikipedia

    en.wikipedia.org/wiki/Enlarger

    All enlargers consist of a light source, normally an incandescent light bulb shining though a condenser or translucent screen to provide even illumination, a holder for the negative or transparency, and a specialized lens for projection, though some, such as the Rapid Rectilinear or Aplanat [citation needed] could be used in both camera and enlarger.

  7. 11 Iconic Movie Props That Fetched Record-Breaking ... - AOL

    www.aol.com/11-iconic-movie-props-fetched...

    gridcaha/istockphotoThe allure of Hollywood memorabilia has been known to transcend generations, with props, costumes, and artifacts used by famous actors fetching astronomical prices at auction.

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