Sound: A Course of Eight Lectures Delivered at the Royal Institution of Great Britain |
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Page xii
... Effect of Unisonant Notes on Singing Flames - Action of Sound on Naked Flames - Experi- ments with Fish - tail and Bat's - wing Burners - Experiments on Tall Flames - Extraordinary delicacy of Flames as Acoustic Reagents — The Vowel ...
... Effect of Unisonant Notes on Singing Flames - Action of Sound on Naked Flames - Experi- ments with Fish - tail and Bat's - wing Burners - Experiments on Tall Flames - Extraordinary delicacy of Flames as Acoustic Reagents — The Vowel ...
Page 7
... than hydrogen . A whole atmosphere of this gas has no sensible effect in restoring the sound of the bell , while the fifteenth of an atmosphere of air renders its ringing very audible . to the air outside . All that I can hear.
... than hydrogen . A whole atmosphere of this gas has no sensible effect in restoring the sound of the bell , while the fifteenth of an atmosphere of air renders its ringing very audible . to the air outside . All that I can hear.
Page 8
... chlorine and hydrogen , I have caused the bulbs to explode in vacuo and in air . The difference , though not so striking as I at first expected , was perfectly distinct . EFFECT OF HYDROGEN UPON THE VOICE . 9 you hear LECTURE I.
... chlorine and hydrogen , I have caused the bulbs to explode in vacuo and in air . The difference , though not so striking as I at first expected , was perfectly distinct . EFFECT OF HYDROGEN UPON THE VOICE . 9 you hear LECTURE I.
Page 9
... EFFECT OF HYDROGEN UPON THE VOICE . 9 you hear how much more loudly it rings in the open air . When the bell was covered the aerial vibrations were first communicated to the heavy glass jar , and afterwards by the jar to the air outside ...
... EFFECT OF HYDROGEN UPON THE VOICE . 9 you hear how much more loudly it rings in the open air . When the bell was covered the aerial vibrations were first communicated to the heavy glass jar , and afterwards by the jar to the air outside ...
Page 10
... express this law by saying that the in- tensity of the sound varies inversely as the square of the distance . Let us look at the matter in another light . The me- INTENSITY OF SOUND . 11 chanical effect of a ball 10 LECTURE I.
... express this law by saying that the in- tensity of the sound varies inversely as the square of the distance . Let us look at the matter in another light . The me- INTENSITY OF SOUND . 11 chanical effect of a ball 10 LECTURE I.
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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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