Visible speech, the science of universal alphabets, : or Self-interpreting physiological letters, for the writing of all languages in one alphabet ; illustrated by tables, diagrams, and examples (1867)
Bell, Alexander Melville, 1819-1905 · London : Simpkin, Marshall & Co. ; London ; New York : N. Trübner & Co. · leaf 77
The following Diagram presents a further illustration of the Scale formedby the progression of the configurative aperture for the radical Lingual Vowels.[See Modulated Whisper!~\ The diagram combines in one view the series ofnine positions separately illustrated at page 73. SCALE OF LINGUAL VOWELS. … RELATION OF VOWEL TO CONSONANT POSITIONS. The various positions of the tongue which produce centre-aperture Con-sonants, form vowels when the channel between the organs is sufficientlyexpanded and firm to allow the breath to pass without oral friction or sibilation-The vowel positions thus bear a…
Phonetic alphabet · Alphabets · Phonetics · Language and languages · Transliteration
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