made in this instrument to secure loud much time to the phonograph, and has not only per- the speaking diaphragm is made to vibrate in a man- fected the instrument itself, but has established a speaking—distinct articulation and perfect intonation ner similar to that of the receiving diaphragm,… … ceiving mouthpiece of the phonograph to positively scriber, it may be repeated as often as necessary. THE FIRST PHONOGRAPH. understand the words uttered by the instrument. In a similar manner a compositor may set his type In the later instruments, such as were exhibited directly from the dictation…
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