Elementary Lessons on Sound |
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Page 5
... length , and may be enumerated as follows : - Summary of Vibrations . ( A. Plucking ( 1. Transverse 1. Of Strings 2. Longitudinal 3. Torsional excited B. Striking by c . Bowing D. Impact of air J ยก I. of Rods III . Of Plates IV . Of ...
... length , and may be enumerated as follows : - Summary of Vibrations . ( A. Plucking ( 1. Transverse 1. Of Strings 2. Longitudinal 3. Torsional excited B. Striking by c . Bowing D. Impact of air J ยก I. of Rods III . Of Plates IV . Of ...
Page 6
... length . 2. When the length of the string is given , the vibration number varies directly , the time of vibration inversely , as the square root of the tension . 3. Strings of the same length and tension vibrate in times which are ...
... length . 2. When the length of the string is given , the vibration number varies directly , the time of vibration inversely , as the square root of the tension . 3. Strings of the same length and tension vibrate in times which are ...
Page 7
... length . The period of a complete vibration is therefore the time required m " for a pulsation to travel over twice its length : i.e. n = 2.7 2 V ; where l is m the length of the string , and n the number of vibrations in a second , of ...
... length . The period of a complete vibration is therefore the time required m " for a pulsation to travel over twice its length : i.e. n = 2.7 2 V ; where l is m the length of the string , and n the number of vibrations in a second , of ...
Page 9
... length will thus be brought to rest , and the CTPLANTE string will sound the upper partial tone belonging to the. Fig . 3. - Harmonics . Nodes and ventral segments of a vibrating string . Fig . 4 .-- Sonometer . Fig . 6. -. 1.1 9 MODES OF ...
... length will thus be brought to rest , and the CTPLANTE string will sound the upper partial tone belonging to the. Fig . 3. - Harmonics . Nodes and ventral segments of a vibrating string . Fig . 4 .-- Sonometer . Fig . 6. -. 1.1 9 MODES OF ...
Page 11
... length the twelfth has about equal intensity with the fundamental , at one - fourth the double octave , at one - fifth the major seventeenth . The harmonic always slightly precedes the fundamental tone . Speaking generally , a string ...
... length the twelfth has about equal intensity with the fundamental , at one - fourth the double octave , at one - fifth the major seventeenth . The harmonic always slightly precedes the fundamental tone . Speaking generally , a string ...
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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