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“phonophotoscope”
phonophotoscope, phonophotoscopic
A device for showing the vibrations of sound; especially, of voice sounds photographically.
This entry is located in the following units:
phon-, phono-, -phone, -phonia, -phonic, -phonetic, -phonous, -phonically, -phonetically, -phony +
(page 15)
photo-, phot-, -photic
(page 3)
scopo-, scop-, scept-, skept-, -scope-, -scopy, -scopia, -scopic, -scopist
(page 21)