Assertion: sounding board | /r/CapableOf | give maximum resonant efiect
Facets:
Source sentences:
text: The invention consists, primarily, in a stringed musical instrument having a spiral of material capable of responding in sympathetic vibration's to the vibrations of the strings of the instrument, such spiral being preferably stretched and held in proper relation to the strings, sounding-board, or body of the instrument to give the maximum resonant efiect.