Assertion: record player's stylus | /r/CapableOf | vibrate diaphragm
Facets:
value: in early acoustic phonographs
type: TEMPORAL
Source sentences:
text: In early acoustic phonographs, the stylus vibrated a diaphragm which produced sound waves which were coupled to the open air through a flaring horn, or directly to the listener's ears through stethoscope-type earphones.