Answer | Crossword Clue |
---|---|
phonautographs | PHONAUTOGRAPH, an instrument for recording sound vibrations |
phonautographic | relating to a phonautograph, an instrument for recording sound vibrations |
phonautograph | an instrument for recording sound vibrations |
vibrograph | an instrument for recording vibrations |
vibrographs | VIBROGRAPH, an instrument for recording vibrations |
torsiograph | an instrument for recording torsional vibrations on an object |
torsiographs | TORSIOGRAPH, an instrument for recording torsional vibrations on an object |