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2. Automatic lamp changer - Wikipedia

   en.wikipedia.org/wiki/Automatic_lamp_changer

   An automatic lamp changer (or lampchanger) is a device used to ensure that a navigational light such as a marine lighthouse or aero beacon stays lit even if a bulb burns out. Numerous types exist. The common design elements are an array of two or more lamps (or bulbs), installed on a mounting which can rotate to various positions.

3. Palace Theater Light - Wikipedia

   en.wikipedia.org/wiki/Palace_Theater_Light

   The bulb has its own power supply. [4] The Palace Theater Light was once thought to be the longest-running light bulb in the world. [5] [3] It appeared in the 1970 edition of the Guinness Book of World Records before it was replaced by the Centennial Light two years later when it was discovered to be older.

4. GravityLight - Wikipedia

   en.wikipedia.org/wiki/GravityLight

   The light would be turned on by filling the bag with approximately 20 pounds (9.1 kg) of weight [9] and lifting it up to the base of the device; the weight gradually descends over a period of 25 minutes, pulling a cord/strap that spins gears and drives an electric generator, which continuously powers an LED. [10]

5. Where to find giant holiday light displays across the Des ...

   www.aol.com/where-giant-holiday-light-displays...

   This house comes with Christmas lights that blink and change in time with songs such as "Little Drummer Boy" or "Dueling Jingle Bells." Visitors can tune their radios to 94.7 FM to enjoy the show ...

6. How to stage a Griswold-size Christmas light display without ...

   www.aol.com/stage-griswold-size-christmas-light...

   And if you downsize to Mini-LED bulbs, the ones shaped like tiny candles, your cost drops to 60 cents. A 2008 study from the Department of Energy found that seasonal lights, alone, consumed 6.6 ...

7. Centennial Light - Wikipedia

   en.wikipedia.org/wiki/Centennial_Light

   The pendant light at Fire Station #6 in which the bulb is installed. The Centennial Light was originally a 60-watt bulb, but has since dimmed significantly and is now as bright as a 4-watt bulb. [7] [8] [9] The hand-blown, carbon-filament common light bulb was invented by Adolphe Chaillet, a French engineer who filed a patent for this socket ...