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Original 4–13 W miniature fluorescent range from 1950s or earlier. [1] Two newer ranges, high-efficiency (HE) 14–35 W, and high-output (HO) 24–80 W, introduced in the 1990s. [2] Panasonic's range of FHL fluorescent tubes in 18W, 27W, and 36W varieties for the Japanese market. Circular fluorescent tubes.
It was established in 2005 as the successor to Rayovac Corporation. The company manufactures and markets home appliances under the Remington , Black & Decker , George Foreman , and Russell Hobbs brand names, lawn and garden care products under the Spectracide and Garden Safe brand names, and insect repellents under the Cutter and Repel brand ...
A Fresnel lantern (UK), or simply Fresnel (US), employs a Fresnel lens to wash light over an area of the stage. The lens is named after French physicist Augustin-Jean Fresnel, and consequently pronounced with a silent "s". The distinctive lens has a 'stepped' appearance instead of the 'full' or 'smooth' appearance of those used in other lanterns.
A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric current in the gas excites mercury vapor, to produce ultraviolet and make a phosphor coating in the lamp glow.
1991 Philips invents a fluorescent lightbulb that lasts 60,000 hours using magnetic induction. 1994 T5 lamps with cool tip are introduced to become the leading fluorescent lamps with up to 117 lm/W with good color rendering. These and almost all new fluorescent lamps are to be operated on electronic ballasts only. [5]
6-volt (left) and 4.5-volt (right) lantern batteries. A lantern battery is a rectangular battery, typically an alkaline or zinc–carbon primary battery, used primarily in flashlights or lanterns. Lantern batteries are physically larger and consequently offer higher capacity than the more common flashlight batteries.
The fluorescent lamp is perhaps the best known gas-discharge lamp. Compared to incandescent lamps , gas-discharge lamps offer higher efficiency , [ 5 ] [ 6 ] but are more complicated to manufacture and most exhibit negative resistance , causing the resistance in the plasma to decrease as the current flow increases.
2007 Toyota Yaris hatchback owner's manual 1919 Ford Motor Company car and truck operating manual. An owner's manual (also called an instruction manual or a user guide) is an instructional book or booklet that is supplied with almost all technologically advanced consumer products such as vehicles, home appliances and computer peripherals.