Elementary Lessons on Sound |
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Page x
... Beats of Imperfect Unison . time . 32. Sums of the Corresponding Ordinates 33. - Savart's Toothed Wheel 21 - Philosophical Lamp or Chemical Harmonicon . 26. - Experimental Study of the Laws of Reflection of Sound 27. - Sonorous ...
... Beats of Imperfect Unison . time . 32. Sums of the Corresponding Ordinates 33. - Savart's Toothed Wheel 21 - Philosophical Lamp or Chemical Harmonicon . 26. - Experimental Study of the Laws of Reflection of Sound 27. - Sonorous ...
Page 31
... beats " due to interference which can always be heard in the neigh- bourhood of a large bell . They are to a certain extent tunable by chipping away more or less metal at the sound - bow , but the main pitch has to be secured ...
... beats " due to interference which can always be heard in the neigh- bourhood of a large bell . They are to a certain extent tunable by chipping away more or less metal at the sound - bow , but the main pitch has to be secured ...
Page 70
... Beats . As in the case of consonance , this action can be followed up from the mechanical department in which pendulums , and even waves in water are types , through sound , into the far subtler and more rapid undulations which ...
... Beats . As in the case of consonance , this action can be followed up from the mechanical department in which pendulums , and even waves in water are types , through sound , into the far subtler and more rapid undulations which ...
Page 71
... Beats of imperfect unison . Ordinates of ten waves . Fig . 31. -Ordinates of eleven waves transmitted in the same time . The simplest illustration of interference is afforded by an ordinary tuning - fork . If it be set in vibration and ...
... Beats of imperfect unison . Ordinates of ten waves . Fig . 31. -Ordinates of eleven waves transmitted in the same time . The simplest illustration of interference is afforded by an ordinary tuning - fork . If it be set in vibration and ...
Page 72
... Beats . The most usual form in which interference is met with is that of beats . These generally originate in the simultaneous sounding of two notes not quite in unison . They will be shown later to be our most subtle and trust- worthy ...
... Beats . The most usual form in which interference is met with is that of beats . These generally originate in the simultaneous sounding of two notes not quite in unison . They will be shown later to be our most subtle and trust- worthy ...
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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