Description
Generation of speech sounds with the vocal organs in humans: 1) Generation of vocal "u"; 2) Generation of vocal "a"; 3) Generation of vocal "i". Wood engravings, published in 1897.
Generation of speech sounds with the vocal organs in humans: 1) Generation of vocal "u"; 2) Generation of vocal "a"; 3) Generation of vocal "i". Wood engravings, published in 1897.
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