sh "e.") (English "00," as in " Moon.") the apparatus in question may be fitly termed "vowel special molds (Figs. 1, 2, 3, 4), which accurately imi- reat. It thus affords a means of gaging the intensity siren" or "talking siren." tate the form of the human mouth in pronouncing a of a given sound… … the scale of the French vowel "i," if the latter is Fig. 7.—Dr. Marage in His Laboratory. On the Table Are a Manometer and Moutupwu«» lor Utteriu, heard under a pressure of 162 millimeters; these five Towel Sounds. points are then connected by a line and a curve will THE TALKING SIREN OF DR. MARAGE,
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