Elementary Lessons on Sound ... |
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Page 15
... four distinct motions , two in the original direction , one . longitudinal , and one torsional . By accidental circumstances the number may be indefinitely increased . Summary of String - Vibration . 1. Transverse . - Alone used in ...
... four distinct motions , two in the original direction , one . longitudinal , and one torsional . By accidental circumstances the number may be indefinitely increased . Summary of String - Vibration . 1. Transverse . - Alone used in ...
Page 17
... four times the length of the bar . These properties of rods were utilized by Chladni in the construction of a tonometer . Rods fixed at one end furnish several instruments of practical application , of which the Nail - fiddle , or ...
... four times the length of the bar . These properties of rods were utilized by Chladni in the construction of a tonometer . Rods fixed at one end furnish several instruments of practical application , of which the Nail - fiddle , or ...
Page 19
... four vibrating parts , the central segment dividing into two . The fundamental note of rods thus arranged is higher than that of a rod fixed at one end in the ratio of 4 to 25 . The upper partials are not much required , the first mode ...
... four vibrating parts , the central segment dividing into two . The fundamental note of rods thus arranged is higher than that of a rod fixed at one end in the ratio of 4 to 25 . The upper partials are not much required , the first mode ...
Page 25
... four times along the rod . Inversely proportional to square of length . Hence used by Chladni as Tonometers . Independent of area or cross section of rod . Harmonics follow the squares of odd numbers . C. Centre fixed ..... Pitch ...
... four times along the rod . Inversely proportional to square of length . Hence used by Chladni as Tonometers . Independent of area or cross section of rod . Harmonics follow the squares of odd numbers . C. Centre fixed ..... Pitch ...
Page 28
... four , six , or more sections . The deepest note is given by the division of the edge into four segments , in which case the bell itself is mo- mentarily disfigured by the blow of the hammer into an elliptical figure ; returning by its ...
... four , six , or more sections . The deepest note is given by the division of the edge into four segments , in which case the bell itself is mo- mentarily disfigured by the blow of the hammer into an elliptical figure ; returning by its ...
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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