Elementary Lessons on Sound |
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Page 10
... obtained are termed harmonics , and will be considered later on . They can easily be shown by throwing a strong light on the string , or by means of smail paper riders set astride on it , which are immediately thrown off at the loops ...
... obtained are termed harmonics , and will be considered later on . They can easily be shown by throwing a strong light on the string , or by means of smail paper riders set astride on it , which are immediately thrown off at the loops ...
Page 13
... obtained by rubbing the string lengthwise with a piece of rosined leather . By damping the string in the centre , a note is heard an octave higher , and by stopping it at one third , one a twelfth above the fundamental . These ...
... obtained by rubbing the string lengthwise with a piece of rosined leather . By damping the string in the centre , a note is heard an octave higher , and by stopping it at one third , one a twelfth above the fundamental . These ...
Page 23
... obtained ; the modulus of elasticity of the material is diminished to a minute amount by the same It is cause . Hence all forks flatten somewhat with. Fig . 11. - A tuning - fork mounted on a sounding - box . Fig . 12. - Vibrations of a ...
... obtained ; the modulus of elasticity of the material is diminished to a minute amount by the same It is cause . Hence all forks flatten somewhat with. Fig . 11. - A tuning - fork mounted on a sounding - box . Fig . 12. - Vibrations of a ...
Page 27
... obtained , each corresponding to a particular note , and to a special mode of vibration . The more complicated forms were obtained by a combination of bowing and damping ; the latter being accomplished by touching the edge of the plate ...
... obtained , each corresponding to a particular note , and to a special mode of vibration . The more complicated forms were obtained by a combination of bowing and damping ; the latter being accomplished by touching the edge of the plate ...
Page 32
... , and touched while in rotation with a wetted excitor . The sounds thus obtained are continuous , and of peculiarly luscious , though. Fig . 15. - Section of a bell . Fig . 16. - Proof of the vibration of a. 32 [ CHAP . ON SOUND .
... , and touched while in rotation with a wetted excitor . The sounds thus obtained are continuous , and of peculiarly luscious , though. Fig . 15. - Section of a bell . Fig . 16. - Proof of the vibration of a. 32 [ CHAP . ON SOUND .
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Common terms and phrases
acoustical alteration apparatus arytenoid cartilages bassoon beats bell cartilages cavity clarinet comma consonant corresponding density determined diameter diapason digitals disc distance double elastic enharmonic epiglottis equal equal temperament excited experiments Fahrenheit fifth fixed flame flat flute fork friction fundamental note give given harmonic harmonium heard heat Helmholtz human voice inch instrument intervals keyboard keys length longitudinal Lord Rayleigh lower major sixth major third means membrane metal method metres Minor Sixth minor third monochord motion musical sound musical tones named nodes number of vibrations oboe observed obtained octave ordinary organ orifice pendulum perfect perfect fifths pitch plate prime tone produced prongs ratio reed resonance rotating scale schismas segments semitone sharp sharpened simple siren sonorous source of sound string temperament temperature termed tonometer triad tube tuned tuning-fork unison upper partial tones velocity of sound vibration number violin wave wave-length wire