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A glass bulb, that produces a single, momentary, high-intensity light flash for taking photographs. Invented in 1930, the flash bulb replaced the use of photographic flash powder. The glass bulb is filled with small pieces of a metal like aluminum, magnesium or zirconium in an oxygen atmosphere. The metal is instantaneously ignited by electricity producing fast but brilliant illumination.
Synonyms and Related Terms
Resources and Citations
- T.Brill, Light: Its Interaction with Art and Antiquities. Plenum Press, New York, 1980.
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Website: www.gelighting.com/na/institute/ul_last100.html