be distinctly heard. In fact, they are not only recognized by the ear but give the same graphical records as natural vowels or the vow- els produced by a phonograph. However, they corre- are absolutely identical with those of natural spoken spond with sung vowels only. In order to obtain that the… … Fig. 1.—Artificial Mouth for Pro- Fig. 4.— Artificial Mouth for Pro- ducing the Sound of French “ 6.” ducing the Sound French “ou.” Sound “oe.” (English “a” as in “ Make.”) (English “oo,” as in “ Moon.’’) the apparatus in question may be fitly termed “vowel special molds (Figs. 1, 2, 3, 4), which…
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