You searched for: “tubes
Word Entries containing the term: “tubes
cathode-ray tube, CRT (s) (noun); cathode-ray tubes (pl)
A tube in which an electron beam is directed across a fluorescent tube so it will generate images.

The cathode-ray tubes are used in oscilloscopes, radar, television sets, and computer monitors.

This entry is located in the following unit: Technical Science and Engineering (page 1)
image tubes
An image intensifier which is a form of electron tube in which an image is focused onto an input photocathode.

The resulting emitted electrons are accelerated within the evacuated tube by a very high voltage.

Image intensifiers are used in many instruments; such as, cameras, spectrographs, and acquisition and guidance systems.

This entry is located in the following unit: Astronomy and related astronomical terms (page 13)