Elementary Lessons on Sound ... |
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Page x
... Helmholtz's Resonance Globe 30. - Beats of Imperfect Unison . Ordinates of Ten Waves . 31. - Ordinates of Eleven Waves transmitted in the same time . 32. Sums of the Corresponding Ordinates 43 56 57 58 63 66 71 71 73 33. - Savart's ...
... Helmholtz's Resonance Globe 30. - Beats of Imperfect Unison . Ordinates of Ten Waves . 31. - Ordinates of Eleven Waves transmitted in the same time . 32. Sums of the Corresponding Ordinates 43 56 57 58 63 66 71 71 73 33. - Savart's ...
Page 1
... Helmholtz lays down the axiom that the sensation of musical sound is caused by rapid and periodic movements of the sonorous body , the sensation of noise by non - periodic movements . S B The present text - book is concerned mainly with ...
... Helmholtz lays down the axiom that the sensation of musical sound is caused by rapid and periodic movements of the sonorous body , the sensation of noise by non - periodic movements . S B The present text - book is concerned mainly with ...
Page 3
... Helmholtz to involve a new and important acoustic principle . In many cases instruments of music actually stand in the place of apparatus . Strictly considered , a musical note is of itself a mathematical fact , quite independent of its ...
... Helmholtz to involve a new and important acoustic principle . In many cases instruments of music actually stand in the place of apparatus . Strictly considered , a musical note is of itself a mathematical fact , quite independent of its ...
Page 22
... Helmholtz , the number of vibrations of the first harmonic varied from 5.8 to 6.6 times that of the funda- mental ; the rates of the whole series being as the squares of the odd numbers 3 , 5 , 7 , 9 , & c . The result of this is that ...
... Helmholtz , the number of vibrations of the first harmonic varied from 5.8 to 6.6 times that of the funda- mental ; the rates of the whole series being as the squares of the odd numbers 3 , 5 , 7 , 9 , & c . The result of this is that ...
Page 24
... Helmholtz in the investigation of vowel sounds , and in his " Vibration Microscope , " that namely of causing the fork itself , or one in harmonic relation with it , to become the contact breaker in a galvanic circuit , including an ...
... Helmholtz in the investigation of vowel sounds , and in his " Vibration Microscope , " that namely of causing the fork itself , or one in harmonic relation with it , to become the contact breaker in a galvanic circuit , including an ...
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Common terms and phrases
bassoon beats bell Cambridge cartilages cavity chords clarinet comma consonant corresponding Crown 8vo density Edition elasticity ELEMENTARY TREATISE English enharmonic equal temperament Eton College excited experiments Extra fcap fifth flame flute fork fundamental note give harmonic harmonium heard heat Helmholtz HISTORY human voice instrument intervals J. P. MAHAFFY John's College keyboard keys late Fellow LATIN length longitudinal Lord Rayleigh lower major Mathematical membrane metal method metres Minor Sixth minor third monochord motion musical tones named nodes number of vibrations numerous Illustrations oboe octave ordinary organ Owens College Oxford perfect perfect fifths pipe pitch plate prime tone produced Professor ratio reed resonance rotating scale schismas School semitone sharpened siren sixth sonorous source of sound stopped string temperament temperature termed tonometer tube tuned tuning-fork unison upper partial tones velocity of sound vibration number violin wave wave-length