John Tyndall Sound

ISBN 13: 9781232104605

9781232104605: Sound
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 Excerpt: ...are also heard, though feebly. In sounding "a" and "e," the hinder part of the mouth is deepened, while the front of the tongue rises against the gums and forms a tube; this yields a higher resonance-tone, rising gradually from "a" to "b," while the hinder hollow space yields a lower resonance-tone, which is deepest when "e" is sounded. These examples sufficiently illustrate the subject of vowel sounds. We may blend in various ways the elementary tints of the solar spectrum, producing in numerable composite colors by their admixture. Out of violet and red we produce purple, and out of yellow and olue we produce white. Thus also may elementary sounds be blended so as to produce all possible varieties of clangtint. After having resolved the human voice into its constituent tones, Helmholtz was able to imitate these tones by tuning-forks, and, by combining them appropriately together, to produce the sounds of all the vowels. 18. Kundt'a Experiments: New Modes of determining Velocity of Sound Unwilling to interrupt the continuity of our reasonings and experiments on the sound of organ-pipes, and their relations to the vibrations of solid rods, I have reserved for the conclusion of this discourse some reflections and experiments which, in strictness, belong to an earlier portion of the chapter. You have already heard the tones, and made yourselves acquainted with the various modes of division of a glass tube, free at both ends, when thrown into longitudinal vibration. When it sounds its fundamental tone, you know that the two halves of such a tube lengthen and shorten in quick alternation. If the tube were stopped at its ends, the closed extremities would throw the air within the tube into a state of vibra...

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About the Author:

John Tyndall resides in London, Ontario. His publications include Thirteen Poems: From the Bruce Peninsula (1974), Howlcat Fugues. This book was also chosen by the Library Journal as one of the ten best small-press poetry books of 1976.His first book published by Black Moss was titled Free Rein (2001). His poems have also appeared on thespoken-word CD entitled Souwesto Words: 25 Poets In Southwestern Ontario, Canada (1999) and in the anthologies That Sign of Perfection, Losers First, I Want to Be the Poet of Your Kneecaps, Henrys Creature, and Following the Plough..Tyndalls poetry has been praised in the University of Toronto Quarterly for its strange iridescent language, and by the Library Journal for its Osurrealistic melding of poetry and art.

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