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awaldrop928 awaldrop928
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6 years ago
Who developed the hot cathode ray tube?
 
  What will be an ideal response?
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6 years ago
In 1913, William David Coolidge, working for General Electric Company, designed the hot cathode tube in which the tube and high-voltage transformer were placed in an oil-filled compartment that acted as a radiation shield and electrical insulator.
awaldrop928 Author
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6 years ago
Thank you so very much, was really helpful and kind of you to answer
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