25000-30000 switching on
J.J. Thomson used a cathode ray tube to discover electrons. By passing an electric current through the tube, he observed the deflection of a beam of electrons, which led to his conclusion about the existence of electrons.
Probably a mis-spelling of "cathode ray tube".
1947: Cathode Ray Tube Amusement Device is the earliest known interactive electronic game was created by Thomas T. Goldsmith Jr. and Estle Ray Mann on a cathode ray tube.
A "CRT" is a cathode ray tube. An old style computer monitor (not computer).
The exposure factors control the amount of radiation emitted from the x-ray tube. These factors include tube current (mA), tube voltage (kVp), and exposure time (seconds). Adjusting these parameters can alter the amount of radiation produced in the x-ray tube.
because cathode ray tube is the heart of the television.
The cathode ray tube was invented in 1897 by Ferdinand Braun.
Your Television. You - Your Tube -Television (From Cathode Ray Tube)
None of these appliances use a cathode ray tube. Older type TVs used a cathode ray tube, its common name was the picture tube.
J.J Thomson conducted the cathode-ray tube experiment in 1911.
Cathode ray tube amusement device happened in 1947.
maybe on you tube