Assertion: oscilloscope's display | /r/HasProperty | simple cathode ray tube
Facets:
value: like in old television sets
type: OTHER
Source sentences:
text: Note that in the past oscilloscopes were pure analogue devices where the display was a simple cathode ray tube (like in old television sets) and that the graph was displayed one point at a time and the cathode ray tube phosphorescence + the remanence of the human eye made the graph.