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William David Coolidge (/ ˈ k uː l ɪ dʒ /; October 23, 1873 – February 3, 1975) [1] was an American physicist and engineer, who made major contributions to X-ray machines. He was the director of the General Electric Research Laboratory and a vice-president of the corporation.
GY6.35 & GZ6.35 – same as G6.35 and only denote what lamp mount clip is needed to hold the actual light bulb in place; G8 – 8 mm (0.31496 in) pin spacing GU8 – same as G8 and only denotes what lamp mount clip is needed to hold the actual light bulb in place; GY8.6 – 8.6 mm (0.33858 in) pin spacing; G9 – 9 mm (0.35433 in) pin spacing
Aerolux Light Corporation was a manufacturer of artful gas-discharge light bulbs from the 1930s through the 1970s. [1] Aerolux made these bulbs in a factory in New York City . US Patents dating back to the 1930s describe the design and construction of these bulbs.
Close-up image of a surface-mount LED Close-up of an LED with the voltage being increased and decreased to show a detailed view of its operation A bulb-shaped modern retrofit LED lamp with aluminum heat sink, a light diffusing dome and E27 screw base, using a built-in power supply working on mains voltage
Lower prices just dropped: Enjoy 50% off everything at Old Navy now through Dec. 3rd.
Bradley Automotive was an American automotive company that built and sold kits and components for kit cars as well as completed vehicles. They were based in Plymouth, Minnesota . The company began selling kits in 1970 and ceased operations in 1981.
Rodin Eckenroth/Getty ImagesWhen it comes to movie memorabilia, few film collections have the buying power of the “Star Wars” saga. With a diehard, dedicated fanbase, some folks spend more on ...
To reduce unintentional ultraviolet (UV) exposure, and to contain hot bulb fragments in the event of explosive bulb failure, general-purpose lamps usually have a UV-absorbing glass filter over or around the bulb. Alternatively, lamp bulbs may be doped or coated to filter out the UV radiation. With adequate filtering, a halogen lamp exposes ...