Elementary Lessons on Sound |
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Page 33
... observed . Membranes , as exciters of sound , occur chiefly in the form of drums , which stand in an intermediate position between mere noise - producers and sources of regular periodic vibration . Opus citatum , p . 325 . D Their ...
... observed . Membranes , as exciters of sound , occur chiefly in the form of drums , which stand in an intermediate position between mere noise - producers and sources of regular periodic vibration . Opus citatum , p . 325 . D Their ...
Page 39
... observations to a similar conclusion , terming the sheet of air an " aeroplastic reed . " Schneebeli considers its effect to be condensatory ; Hermann Smith , with far greater probability , holds it to be exhaustive , and similar to the ...
... observations to a similar conclusion , terming the sheet of air an " aeroplastic reed . " Schneebeli considers its effect to be condensatory ; Hermann Smith , with far greater probability , holds it to be exhaustive , and similar to the ...
Page 41
... observations that the Laws of Bernoulli require a correction which will be given in a later chapter . Vibrations from Heat . Trevelyan's Rocker . A heated brass or copper bar so shaped as to rock readily from one point of support to ...
... observations that the Laws of Bernoulli require a correction which will be given in a later chapter . Vibrations from Heat . Trevelyan's Rocker . A heated brass or copper bar so shaped as to rock readily from one point of support to ...
Page 44
... observed to become tremulous at certain spots , and if left there , sud- denly , by increase of the pulsations , bursts into sound . This action may be determined by the method first named as a means of exciting musical oscillation in a ...
... observed to become tremulous at certain spots , and if left there , sud- denly , by increase of the pulsations , bursts into sound . This action may be determined by the method first named as a means of exciting musical oscillation in a ...
Page 48
... observations have generally been those of the flash and the report of a distant cannon . The same observer notes ... observation of the flash , before preparing for observation of the sound . Table of Experimental Determinations of Sound ...
... observations have generally been those of the flash and the report of a distant cannon . The same observer notes ... observation of the flash , before preparing for observation of the sound . Table of Experimental Determinations of 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