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These lamps are used for fluorescence effects where less visible light is ideal. 09 N/A Sun-tanning lamps: These lamps produce wide or narrow band UV-B radiation 10 BL Black-Light lamps: Black light lamps give off long-wave UV-A radiation of around 350-400 nm. They are often used to attract insects to traps.
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation. Electric current is supplied to the filament by terminals or wires ...
He turned to a colleague, APC engineer Dan Clinton, to create the first drawings of Reddy Kilowatt, an “electrical servant” with lightning bolt arms and legs, wearing safety gloves and shoes. He added a friendly face with a light bulb nose and wall outlets for ears. [3] APC copyrighted the character on March 6, 1926.
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1875 Henry Woodward patents an electric light bulb. 1876 Pavel Yablochkov invents the Yablochkov candle , the first practical carbon arc lamp, for public street lighting in Paris. 1879 (About Christmas time) Col. R. E. Crompton illuminated his home in Porchester Gardens , using a primary battery of Grove Cells, then a generator which was better.
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Diagram showing the major parts of a modern incandescent light bulb. This version has none of the parts labeled. For a version with labels, see Image:Incandescent light bulb.svg
Download as PDF; Printable version; In other projects ... A simple circuit diagram showing the labels of an n–p–n bipolar transistor. ... (light bulb) and the ...