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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.
William Edwin Curry (March 4, 1927 – April 28, 1971) [1] or Bill Curry [2] was an American designer associated with the mid-century modern school of design. [3]A graduate of the Los Angeles Art Center, Curry began his career as an art director for the Ramo-Wooldridge Corporation, a precursor of the later TRW Inc.
Pages in category "Types of lamp" The following 97 pages are in this category, out of 97 total. This list may not reflect recent changes. 0–9. 3-way lamp; A.
The earliest basic forms of optical communication date back several millennia, while the earliest electrical device created to do so was the photophone, invented in 1880. An optical communication system uses a transmitter , which encodes a message into an optical signal , a channel , which carries the signal to its destination, and a receiver ...
Stanley lit 23 businesses along a 4000 feet length of main street stepping a 500 AC volt current at the street down to 100 volts to power incandescent lamps at each location. [7] 1893 GE introduces first commercial fully enclosed carbon arc lamp. Sealed in glass globes, it lasts 100h and therefore 10 times longer than hitherto carbon arc lamps ...
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