Page:Popular Science Monthly Volume 63.djvu/81

Rh combinations of which form the letters—is adopted; such 'Braille' writing is done on a simple machine operated by a key-board. It is in this form that Miss Keller read and revised the chapters of her autobiography. When a stranger meets Miss Keller and wishes to communicate directly with her, she places her fingers against his lips

and throat, and thus reads the sounds as they emerge. This requires slow and distinct articulation on the part of the speaker, and considerable filling in by guess-work on Miss Keller's part. The letters formed in her hand is distinctly the superior method; yet pronunciation can be taught by the lip-reading method only. In this way she has learned