Elementary Lessons on Sound |
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Page 4
... passing imperceptibly into more regular and musical tones . This gradation may often be noticed in the sharpening of a saw , and still more notably in the action of railway brakes upon a train in motion . In its more refined adaptation ...
... passing imperceptibly into more regular and musical tones . This gradation may often be noticed in the sharpening of a saw , and still more notably in the action of railway brakes upon a train in motion . In its more refined adaptation ...
Page 10
... passing over rollers , may be named . A current of air directed against a string has long been known to be competent to excite it , and the Aolian harp has been constructed on this principle . Latterly attempts bave been made to render ...
... passing over rollers , may be named . A current of air directed against a string has long been known to be competent to excite it , and the Aolian harp has been constructed on this principle . Latterly attempts bave been made to render ...
Page 36
... passes and slightly to overlap its edges ; whereas in the latter it passes freely , as the name implies , though with but little room to spare , past the edges of the slit in which it is adapted . Orchestral reed instruments and all the ...
... passes and slightly to overlap its edges ; whereas in the latter it passes freely , as the name implies , though with but little room to spare , past the edges of the slit in which it is adapted . Orchestral reed instruments and all the ...
Page 39
... passing across the orifice it momentarily produces a slight exhaustive or suctional effect , tending to rarefy the air con- tained in the lower part of the pipe . This by the elasticity of the air soon sets up a corresponding ...
... passing across the orifice it momentarily produces a slight exhaustive or suctional effect , tending to rarefy the air con- tained in the lower part of the pipe . This by the elasticity of the air soon sets up a corresponding ...
Page 49
... passing two isolated points . By using signals given reciprocally from two stations beyond both the observing points it will be easy to obtain a result for the time of passage of the sound , independent of the habits of each observer ...
... passing two isolated points . By using signals given reciprocally from two stations beyond both the observing points it will be easy to obtain a result for the time of passage of the sound , independent of the habits of each observer ...
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Common terms and phrases
bassoon beats bell Cambridge cartilages cavity chords clarinet comma consonant corresponding Crown 8vo density Edition elastic 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 sixth 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 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
Popular passages
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