Assertion: cathode ray tube | /r/CapableOf | call kinescope - for use
Facets:
value: with a primitive television system
type: PURPOSE
Source sentences:
text: Vladimir Kosma Zworykin invented a cathode ray tube called the kinescope - for use with a primitive television system.
text: 1929 - Vladimir Kosma Zworykin invented a cathode ray tube called the kinescope - for use with a primitive television system.