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  2. History of street lighting in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_street_lighting...

    In New Orleans, arc lamps were used for street lighting starting in 1881. In 1882, the New Orleans Brush Lighting Company installed one hundred 2,000-candlepower arc lamps along five miles of wharf and riverfront; by 1885, New Orleans had 655 arc lights. [1] In Chicago, arc lamps were used in public street lighting starting in 1887. [1]

  3. The Bop Chords - Wikipedia

    en.wikipedia.org/wiki/The_Bop_Chords

    Their second single "When I Woke Up This Morning" became an East Coast Doo-wop hit in 1957 and was released “Really Love Her So” on the B-side and sold over 75,000 copies. They would be invited back for a second performance at the Apollo, this time performing alongside Fats Domino and Little Richard. They continued to perform on the East ...

  4. LED street light - Wikipedia

    en.wikipedia.org/wiki/LED_street_light

    In performing a LED street lighting project, easy LED luminary models simplify the optimization for high-performance illumination designs. [1] These practical equations may be used to optimize LED street lighting installations in order to minimize light pollution, increase comfort and visibility, and maximize both illumination uniformity and ...

  5. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    Solar powered LEDs are used as street lights and in architectural lighting. The mechanical robustness and long lifetime are used in automotive lighting on cars, motorcycles, and bicycle lights. LED street lights are employed on poles and in parking garages. In 2007, the Italian village of Torraca was the first place to convert its street ...

  6. What's up with the mysterious purple streetlights at the ...

    www.aol.com/news/whats-mysterious-purple...

    Some street lights at Palm Beach County intersections are turning a bright shade of purple. According to Florida Power & Light, the reason is because of a manufacturer defect in some LED lights.

  7. Street light - Wikipedia

    en.wikipedia.org/wiki/Street_light

    A street light, light pole, lamp pole, lamppost, streetlamp, light standard, or lamp standard is a raised source of light on the edge of a road or path. Similar lights may be found on a railway platform .

  8. Garrett Morgan - Wikipedia

    en.wikipedia.org/wiki/Garrett_Morgan

    Garrett Augustus Morgan Sr. (March 4, 1877 – July 27, 1963) was an American inventor, businessman, and community leader.His most notable inventions were a type of three-way traffic light, [1] and a protective 'smoke hood' [2] notably used in a 1916 tunnel construction disaster rescue.

  9. Guitar chord - Wikipedia

    en.wikipedia.org/wiki/Guitar_chord

    The implementation of chords using particular tunings is a defining part of the literature on guitar chords, which is omitted in the abstract musical-theory of chords for all instruments. For example, in the guitar (like other stringed instruments but unlike the piano ), open-string notes are not fretted and so require less hand-motion.

  1. Related searches who invented led street lights turn purple in the morning chords easy video

    history of led street lightshistory of street lighting