William D. Coolidge
William D. CoolidgeBorn: 1873
Birthplace: Hudson, Mass.
Vacuum tube?Coolidge invented ductile tungsten, the filament material still used in incandescent lamps. He also invented the ?Coolidge tube?, the model upon which all X-ray tubes for medical applications are patterned. (1975)Died: 1974
|Lloyd H. Conover||The National Inventors Hall of Fame||Harry Coover|
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