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Two modern electric lamps with lampshades. A lampshade is a fixture that envelops the light bulb to redirect the light it emits. The shade is often affixed onto a light fixture to reduce the intensity of the light to observers, shield the light from a harsh environment, or for decoration by altering the color or creating shadows.
A decorative lighting device that projects a gobo. Components from right to left are the lamp house, the gobo itself (in this case a grid made of wires), and the focusing lens. In a theatrical unit, all three would be in an enclosure to prevent light spillage. The insert at lower right shows the pattern this device projects.
The patent calls the design "Closed Vessel with Perforated Cover", and Kopp applied for the patent on January 24, 1891. [57] A publication released in 1998 valued a rare pair of these rose shakers, with a holder, at $710 to $730 (equivalent to $1,346 in 2023). [58] In 1892, Fostoria Shade and Lamp produced a lamp shaped like Santa Claus.
A Morse code light is light in which appearances of light of two clearly different durations (dots and dashes) are grouped to represent a character or characters in the Morse Code. For example, "Mo(A)" is a light in which in each period light is shown for a short period (dot) followed by a long period (dash), the Morse Code for "A".
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 ...
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A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...
Glass chandeliers requires electrical wiring, large areas of metals and light bulbs, but the results were often not aesthetically pleasing. [8] A large number of light bulbs close together can also produce too much glare. [68] Shades for the bulbs of these electroliers were therefore often added.