Assertion: cathode ray tube | /r/CapableOf | produce cathode rays
Facets:
value: in a vacuum tube
type: LOCATION
Source sentences:
text: A cathode ray tube or CRT is a device that produces cathode rays in a vacuum tube and accelerates them through a magnetic and electric field to strike on a fluorescent screen to form images.
text: A cathode ray tube or CRT is a device that produces cathode rays in a vacuum tube and accelerates them through a magnetic and electric field to strike on a fluorescent screen to form images.