Elementary Lessons on Sound ... |
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Page 29
... closed at the apical end by a dome - shaped roof , to which the sus- pending luggs are attached . Assuming the diameter at the base as 15 , and the height as 12 , with a curvature below , in section , of radius 8 for the lower half ...
... closed at the apical end by a dome - shaped roof , to which the sus- pending luggs are attached . Assuming the diameter at the base as 15 , and the height as 12 , with a curvature below , in section , of radius 8 for the lower half ...
Page 36
... closed , in the latter case as an open pipe . All the various forms of pipe used in the organ and elsewhere only differ from these rudimentary forms in 1 In Dr. Tyndall's otherwise excellent and accurate work on Sound , to which the ...
... closed , in the latter case as an open pipe . All the various forms of pipe used in the organ and elsewhere only differ from these rudimentary forms in 1 In Dr. Tyndall's otherwise excellent and accurate work on Sound , to which the ...
Page 37
... closed , a double passage is not sufficient to close the cycle of changes . The original state cannot be recovered until after two reflections from the open end , and the pulse travels over four times the length of the tube . To make ...
... closed , a double passage is not sufficient to close the cycle of changes . The original state cannot be recovered until after two reflections from the open end , and the pulse travels over four times the length of the tube . To make ...
Page 38
... closed with a cork , and the stream of air is passed over a hole with thinned edges perforated at the side near the top , the lower series of holes remaining unaltered . In the organ pipe , a more complicated arrangement is 38 [ CHAP ...
... closed with a cork , and the stream of air is passed over a hole with thinned edges perforated at the side near the top , the lower series of holes remaining unaltered . In the organ pipe , a more complicated arrangement is 38 [ CHAP ...
Page 40
... closed extremity . This fact also influences the position of the nodes . When the funda- mental note is struck the column is unbroken , the only node being at the stopped end . In sounding the first harmonic another node is set up at ...
... closed extremity . This fact also influences the position of the nodes . When the funda- mental note is struck the column is unbroken , the only node being at the stopped end . In sounding the first harmonic another node is set up at ...
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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