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  2. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    Vintage push-button light switches. The push-button light switch has two buttons: one that closes the contacts and one that opens the contacts. Pushing the raised button opens or closes the contacts and pops out the previously depressed button so the process can be reversed. In the U.S., the buttons were commonly black; the "on" button ...

  3. John Henry Holmes - Wikipedia

    en.wikipedia.org/wiki/John_Henry_Holmes

    Known for. Developing technology behind the modern light switch. John Henry Holmes (1857 – 1935) was an English electrical engineer, inventor, Quaker and pioneer of electric lighting who invented the quick break light switch, the technology behind which remains the basis for modern wall mounted light switches. [1]

  4. Timeline of lighting technology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_lighting...

    19th century. 1800–1809 Humphry Davy invents the arc lamp when using Voltaic piles (battery) for his electrolysis experiments. 1802 William Murdoch illuminates the exterior of the Soho Foundry with gas. 1805 Philips and Lee's Cotton Mill, Manchester was the first industrial factory to be fully lit by gas. 1809 Humphry Davy publicly ...

  5. Light Switch (song) - Wikipedia

    en.wikipedia.org/wiki/Light_Switch_(song)

    Light Switch (song) " Light Switch " is a song recorded and produced by American singer-songwriter Charlie Puth. It was released on January 20, 2022, as the lead single from his third studio album, Charlie (2022). [2] Puth wrote the song alongside Jacob Kasher Hindlin and Jake Torrey. [3] A funky, uptempo track, the song lyrically sees Puth ...

  6. List of light-gun games - Wikipedia

    en.wikipedia.org/wiki/List_of_light-gun_games

    Ports of light-gun games which do not support a light gun (e.g. the Sega Saturn version of Corpse Killer) are not included in this list. Arcade games are organized alphabetically, while home video games are organized alphabetically by the system's company and then subdivided by the respective company's systems in a chronological fashion.

  7. Mercury switch - Wikipedia

    en.wikipedia.org/wiki/Mercury_switch

    From around 1905 to 1910 various mercury switches were invented, but the "mercury in glass envelope" switch got its start with patent 1598874 (filed on January 19, 1922 by Louis Phelan), [1] which evolved into a more modern mercury switch with a straight tubular glass envelope via patent 2232626 (filed on October 7, 1937 by Harold Olson of Honeywell).

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