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A set of modern LED flashlights. A flashlight or electric torch (Commonwealth English), usually shortened to torch, is a portable hand-held electric lamp.Formerly, the light source typically was a miniature incandescent light bulb, but these have been displaced by light-emitting diodes (LEDs) since the early 2000s.
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 ...
It was proposed [112] that all regular light bulbs and some other kinds of light bulbs sold from October 2009 would have to meet the new minimum energy performance standards. Incandescent light bulbs that meet the new standards, for example high-efficiency halogen bulbs, would continue to be available. [113]
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 ...
Originally Maglite flashlights used krypton or xenon incandescent bulbs. Current models have LEDs , although the older models are still widely available. Accessories include belt holsters, mounting brackets, colored and glass lenses, attachable fiber optics extensions to bend light output into a cramped space, higher-powered incandescent bulbs ...
Their early products were mainly geared towards the automotive market and included headlamps, pilot lights, and flashlight bulbs. [1] Tung-Sol Lamp Works was licensed to produce lamps in tungsten-filament from General Electric through royalty-free rights for their patent.