Assertion: cathode ray tube | /r/CapableOf | determine ratio
Facets:
Source sentences:
text: The earliest cathode ray tube, or CRT, enabled J.J. Thomson to establish the identity of the electron as a fundamental particle, and to determine its charge-to-mass ratio, e/m.
text: The earliest cathode ray tube, or CRT, enabled J.J. Thomson to establish the identity of the electron as a fundamental particle, and to determine its charge-to-mass ratio, e/m.