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The Halogen Tungsten Lamp

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Uploaded by on Dec 15, 2011

How it works, Inventors, Variations of design. This is an incandescent lamp which uses halogens like bromine and iodine to prevent the tungsten filament from degrading. It has a great color rendering and good efficiency compared with regular incandescents. Invented by Elmer Fridrich, Frederick Mosby at GE. Improved with bromine by Philips in the 1960s. Part of the Electric Light series by Edison Tech Center

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  • Rubbing alcohol has adulterants added. What will these do to the lamp? It would be safer to use 91% isopropyl alcohol and it's not that much more costly.

  • @BabyIYours Thanks, some projects are funded better than others per minute, and the volume of raw media that has to be processed varies, long videos (like oral history interviews) have less intensive editing and less time allocated for thoughtful post production.

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