Assertion: cathode ray tube | /r/HasProperty | demonstrated as displaying device
Facets:
value: by the german professor max dieckmann
type: OTHER
value: in 1906
type: TEMPORAL
value: successfully
type: MANNER
Source sentences:
text: A cathode ray tube was successfully demonstrated as a displaying device by the German Professor Max Dieckmann in 1906, his experimental results were published by the journal Scientific American in 1909.