Assertion: electric organ | /r/CapableOf | produce sound
Facets:
value: by creating an electric current
type: MANNER
value: until 1975
type: TEMPORAL
Source sentences:
text: Before a Hammond organ can produce sound, the motor that drives the tonewheels must come up to speed.
text: Until 1975, Hammond organs generated sound by creating an electric current from rotating a metal tonewheel near an electromagnetic pickup, and then strengthening the signal with an amplifier to drive a speaker cabinet.
text: It generated its sounds using reeds similar to those of an accordion.
text: Before a Hammond organ can produce sound, the motor that drives the tonewheels must come up to speed.
text: Until 1975, Hammond organs generated sound by creating an electric current from rotating a metal tonewheel near an electromagnetic pickup, and then strengthening the signal with an amplifier to drive a speaker cabinet.