Barton, Edwin H. (Edwin Henry), b. 1858 · London, Macmillan and Co., limited · leaf 638
nstrumentuniformity of rotation is secured by clockwork, or an electro- 624 EECOEDEES AND EEPEODUCEES 617 motor, both in taking the record and in reproducing thesounds from it. 624. We have already referred to the use of thephonograph by Hermann to settle the question as towhether vowels are… … Fig. 102.—Sectional Detail of Phonograph. the chief resonance being / an octave higher. Then thesecond partial / would be specially reinforced, and thisspecial reinforcement would be registered in the phono-graphs record. Now, if the vowel do is characterised by aspecial reinforcement of its second…
Sound
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-277-194.webp)
