English: These pictograms were designed by Zerah C. Whipple to represent the mouth positions and movements used in making various spoken sounds, in order to help the deaf learn to pronounce words correctly by spelling words as phonetic pictograms.
Date
Source
"The Whipple Natural Alphabet" (1892) page 24
Author
Way, D.M. (author of the book); Whipple, Z.C. (creator of the glyphs)
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Captions
The various pictograms that make up Zerah C. Whipple's pronunciation learning alphabet for the deaf.