25000-30000 switching on
JJ Thomson discovered electrons using a cathode ray tube.
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).
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
The X-ray tube is the part of the X-ray machine that emits the X-rays (very high energy photons).