The Theory of Sound in Its Relation to MusicH.S. King & Company, 1876 - 187 páginas |
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Página 7
... heard , and by this means it may be shown that the sound really exists . This being so , it is easy to believe that the two branches of the tuning - fork , when it sounds , are in a state of continual vibratory move- ment . The movement ...
... heard , and by this means it may be shown that the sound really exists . This being so , it is easy to believe that the two branches of the tuning - fork , when it sounds , are in a state of continual vibratory move- ment . The movement ...
Página 30
... heard . By holding the ear , how- ever , against the globe , a very feeble sound is heard , the reason of which is , that the air is not completely exhausted , and that the cotton thread by which the bell Fig . 17 . is suspended is not ...
... heard . By holding the ear , how- ever , against the globe , a very feeble sound is heard , the reason of which is , that the air is not completely exhausted , and that the cotton thread by which the bell Fig . 17 . is suspended is not ...
Página 31
... heard . Its vibrations now find an elastic medium , which , although very rarefied , is able to transmit them at ... heard , although feebly . If the stopcock be again opened , and left open so that the air can enter freely , the sound ...
... heard . Its vibrations now find an elastic medium , which , although very rarefied , is able to transmit them at ... heard , although feebly . If the stopcock be again opened , and left open so that the air can enter freely , the sound ...
Página 32
... heard at a great distance . It is on this principle that are founded the acoustic pipes , or speaking - tubes , in common use . These are cylindrical tubes , generally of gutta - percha , which are arranged from point to point as may be ...
... heard at a great distance . It is on this principle that are founded the acoustic pipes , or speaking - tubes , in common use . These are cylindrical tubes , generally of gutta - percha , which are arranged from point to point as may be ...
Página 33
... heard ; and if the distance is rather great , the lapse of time between the moments at which the blow is seen and heard becomes very considerable . The firing of a cannon a long distance off is announced first by the flame produced by ...
... heard ; and if the distance is rather great , the lapse of time between the moments at which the blow is seen and heard becomes very considerable . The firing of a cannon a long distance off is announced first by the flame produced by ...
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Términos y frases comunes
beats bell called Cloth complicated consonant corresponds Crown 8vo curve cylinder demonstrate Demy 8vo different notes dissonant distance elastic embouchure example experiment fact Fcap feeble fifth flame fourth Frontispiece fundamental note give Greeks harmonic series heard holes human voice Illustrations instrument International Scientific Series intervals length LL.D loudness major scale major third means melody membrane ment metres per second minor chord movable disc musical scale musical sounds nodal lines node number of vibrations observed obtained octave oscillations particle pendulum perfect chord pianoforte pipe placed plate POEMS Portrait Post 8vo price 58 produced Prof Professor Pythagorean scale reflection reinforce resonators resultant notes riders rubbed Second Edition second octave semitone seventh harmonic sharp simple ratios siren Small crown 8vo sonorous string temperate scale Third Edition timbre tions Translated tube tuning tuning-fork velocity of sound vibrations per second vibratory movement violin vols whilst
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