Sound: A Course of Eight Lectures Delivered at the Royal Institution of Great Britain |
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Page 22
... shown the wave broken at o ' and its two halves straight . The surface of the wave , however , is really a curve , with its concavity turned in the direction of its propagation . INFLECTION OF SOUND ; ERITH EXPLOSION . 23 the sound 22 ...
... shown the wave broken at o ' and its two halves straight . The surface of the wave , however , is really a curve , with its concavity turned in the direction of its propagation . INFLECTION OF SOUND ; ERITH EXPLOSION . 23 the sound 22 ...
Page 26
... shown by a Berzelius in determining atomic weights ; by a Regnault in determining coefficients of ex- pansion ; or by a Joule in determining the mechanical equivalent of heat . There is a morality brought to bear upon such matters which ...
... shown by a Berzelius in determining atomic weights ; by a Regnault in determining coefficients of ex- pansion ; or by a Joule in determining the mechanical equivalent of heat . There is a morality brought to bear upon such matters which ...
Page 53
... shown in fig . 14 , the same effect is produced . In its descent upon the lead the bar taps it gently , the taps in the case now before us being so slow that you may readily count them . But I have here a mass of metal dif- ferently ...
... shown in fig . 14 , the same effect is produced . In its descent upon the lead the bar taps it gently , the taps in the case now before us being so slow that you may readily count them . But I have here a mass of metal dif- ferently ...
Page 63
... shown to depend upon rapidity of vibra- tion . When two notes from two distinct sources are of the same pitch , their rates of vibration are the same . for example , a string yield the same note as a tuning- fork , it is because they ...
... shown to depend upon rapidity of vibra- tion . When two notes from two distinct sources are of the same pitch , their rates of vibration are the same . for example , a string yield the same note as a tuning- fork , it is because they ...
Page 65
... shown covering the top of the cylinder c . I would ask you to neglect for FIG . 25 . t a the present the wheelwork of the figure . Turning the disc de thus slowly round , I can cause its perforations to coincide or not coincide with ...
... shown covering the top of the cylinder c . I would ask you to neglect for FIG . 25 . t a the present the wheelwork of the figure . Turning the disc de thus slowly round , I can cause its perforations to coincide or not coincide with ...
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Common terms and phrases
auditory nerve augmentation beats bell carbonic acid cause centre Chladni column of air condensation corresponding Crown 8vo density disc distance divides division Edition elasticity embouchure Eustachian tube experiment flame fork four fundamental tone glass harmonic hear heard heat Helmholtz higher tones human voice hydrogen illustrated inches instrument intensity interval lecture length light liquid membrane ments motion musical sound nodal lines nodes number of vibrations observed obtain octave open pipe organ-pipe orifice oscillate overtones particles pass pitch plate Post 8vo pressure produced prongs puffs pulse rapidity of vibration rarefaction rate of vibration ratio reed reflected rendered resonance resultant tone rotation sonorous wave square stopped pipe stretched string surface syren temperature tion tube tuning-fork tympanic membrane unison vein velocity in air velocity of sound ventral segments vibrating segments vibrating strings voice vols vowel wire Woodcuts
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