Seeing a voice: Rudolph Koenig's instruments for studying vowel sounds.
Pantalony
David
D
Dibner Institute for the History of Science and Technology, MIT, USA.
D004867:Equipment Design; D005197:Famous Persons; D005602:France; D049672:History, 19th Century; D010700:Phonetics; D010825:Physics / Q000266:history / Q000295:instrumentation*; D013061:Speech Acoustics; D013067:Speech Perception; D014796:Visual Perception; D014831:Voice