who invented the first efficient incandescent light bulb that was later used in projectors
Incandescent light bulb In addressing the question of who invented the incandescent lamp, historians Robert Friedel and Paul Israel list 22 inventors of incandescent lamps prior to Joseph Swan and Thomas Edison.[8] They conclude that Edison's version was able to outstrip the others because of a combination of three factors: an effective incandescent material, a higher vacuum than others were able to achieve (by use of the Sprengel pump) and a high resistance that made power distribution from a centralized source economically viable.
Andrea Gail All six of the crew were lost at sea.
The Adventures of Pete & Pete Little Pete Wrigley (Danny Tamberelli)
Jackie Coogan John Leslie "Jackie" Coogan (October 26, 1914 â€“ March 1, 1984) was an American actor and comedian who began his movie career as a child actor in silent films.[2]