General Electric X-Ray Corporation, Coolidge, William David, 1873-1975 · Schenectady, N.Y., General Electric Comapny · leaf 14
excessively high energy inputs are employed, the tungstenat the focal spot melts and volatilizes. This results in a sudden loweringof the tube resistance which disappears instantly upon lowering theenergy input, but the vaporized tungsten deposits in a thin film over theactive hemisphere of the… … s^sJwwwvvw pvwwvwwi V ^<-vv ^ /fECT/rr/N6 smrcH-f \
Cathode ray tubes · Vacuum-tubes · Cathode Ray Tube · X-rays
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