Probably a mis-spelling of "cathode ray tube".
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.
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).
Cathode ray tube amusement device was created in 1947.
cathode ray tube