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  2. Holiday lighting technology - Wikipedia

    en.wikipedia.org/wiki/Holiday_lighting_technology

    These covers come in C5, C6, and C7 sizes (5 ⁄ 8, 3 ⁄ 4, and 7 ⁄ 8-inch, or 16, 19, and 22 mm diameters, respectively) pointed "strawberries", G12 (12mm or almost 1 ⁄ 2-inch) globe "raspberries", and "M5" (5mm or 7 ⁄ 32-inch) pointed cylinders, equivalent to the T 1 + 3 ⁄ 4 mini lights so common since the 1980s. For blue and green ...

  3. Fluorescent lamp - Wikipedia

    en.wikipedia.org/wiki/Fluorescent_lamp

    Since the 1990s, higher-quality fluorescent lamps use a rare-earth tri-phosphors mixture, based on europium and terbium ions, which have emission bands more evenly distributed over the spectrum of visible light, but with peaks in the red, green and blue. Triphosphor tubes give a more natural color reproduction to the human eye.

  4. Luminaria - Wikipedia

    en.wikipedia.org/wiki/Luminaria

    Luminaria is a term used in different parts of the world to describe various types of holiday lights, usually displayed during Christmas. In English, the term most commonly refers to a specific type of simple paper lantern made by placing a votive candle in some sand inside a paper bag. [1]

  5. Mercury-vapor lamp - Wikipedia

    en.wikipedia.org/wiki/Mercury-vapor_lamp

    A 175-watt mercury-vapor light approximately 15 seconds after starting. A closeup of a 175-W mercury-vapor lamp. The small diagonal cylinder at the bottom of the arc tube is a resistor which supplies current to the starter electrode. A mercury-vapor lamp is a gas-discharge lamp that uses an electric arc through vaporized mercury to produce ...

  6. Yablochkov candle - Wikipedia

    en.wikipedia.org/wiki/Yablochkov_candle

    The Yablochkov candles were first used commercially in 1877 in the Marengo hall of the department store Galeries du Louvre in Paris with an installation of 80 lamps. Their presence is mentioned by Émile Zola in his novel Au Bonheur des dames (Ladies paradise). [1] In this occasion Paris was nicknamed city of lights. [6]

  7. Fairy lamp - Wikipedia

    en.wikipedia.org/wiki/Fairy_lamp

    His company promoted the lamps as a way to sell their own candles. [2] Clarke's original lamps feature a fairy embossed into the bottom, and they became so popular that all small candle-based lamps became known as "fairy lamps." They became extremely popular, due to the sudden affordability of mass-produced glass and candles, and were ...