Sound: A Course of Eight Lectures Delivered at the Royal Institution of Great Britain |
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Page 11
... length . The t lowest possible whisper , indeed , could be heard at this dis- tance , while the firing of a pistol into one end of the tube quenched a lighted candle at the other . The action of sound thus illustrated is exactly the ...
... length . The t lowest possible whisper , indeed , could be heard at this dis- tance , while the firing of a pistol into one end of the tube quenched a lighted candle at the other . The action of sound thus illustrated is exactly the ...
Page 13
... length . The lowest possible whisper , indeed , could be heard at this dis- tance , while the firing of a pistol into one end of the tube quenched a lighted candle at the other . The action of sound thus illustrated is exactly the same ...
... length . The lowest possible whisper , indeed , could be heard at this dis- tance , while the firing of a pistol into one end of the tube quenched a lighted candle at the other . The action of sound thus illustrated is exactly the same ...
Page 44
... length of this excursion is called the amplitude of the vibration . Sound cannot pass through a vacuum . Sound is in all respects reflected like light ; it is also refracted like light ; and it may , like light , be condensed by ...
... length of this excursion is called the amplitude of the vibration . Sound cannot pass through a vacuum . Sound is in all respects reflected like light ; it is also refracted like light ; and it may , like light , be condensed by ...
Page 46
... length of air . For example , the fall of the axe of a distant woodcutter is not simultaneous with the sound of the stroke . A company of soldiers marching to music along a road cannot march in time , for the notes do not reach those in ...
... length of air . For example , the fall of the axe of a distant woodcutter is not simultaneous with the sound of the stroke . A company of soldiers marching to music along a road cannot march in time , for the notes do not reach those in ...
Page 61
... length of the band depends on the amplitude of the vibration , and you see it gradually shorten as the motion of the fork is expended . It remains , however , a straight line as long as the glass is held in a fixed position . But I now ...
... length of the band depends on the amplitude of the vibration , and you see it gradually shorten as the motion of the fork is expended . It remains , however , a straight line as long as the glass is held in a fixed position . But I now ...
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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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