Sound: A Course of Eight Lectures Delivered at the Royal Institution of Great Britain |
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Page 3
... close to the balloon was rapidly imparted to that a little further off , the air first set in motion coming at the same time to rest . The air , at a little distance , passed its motion on to the air at a greater distance , and came ...
... close to the balloon was rapidly imparted to that a little further off , the air first set in motion coming at the same time to rest . The air , at a little distance , passed its motion on to the air at a greater distance , and came ...
Page 5
... close to a drum - head , he would have shaken . the drum . We could thus transmit a push through a row of a hundred boys , each particular boy , however , only swaying to and fro . Thus , also , we send sound through the air , and shake ...
... close to a drum - head , he would have shaken . the drum . We could thus transmit a push through a row of a hundred boys , each particular boy , however , only swaying to and fro . Thus , also , we send sound through the air , and shake ...
Page 7
... close to the bell can hear the sound . I now allow hydrogen gas , which you know is fourteen times lighter than air , to enter the vessel . The sound of the bell is not sensibly augmented by the presence of this attenu- ated gas ...
... close to the bell can hear the sound . I now allow hydrogen gas , which you know is fourteen times lighter than air , to enter the vessel . The sound of the bell is not sensibly augmented by the presence of this attenu- ated gas ...
Page 13
... experiment on the reflection of light , has its analogue in the reflection of sound . Permit me to illustrate this analogy by one or two additional experiments . On yonder gallery you see an electric lamp , placed close to.
... experiment on the reflection of light , has its analogue in the reflection of sound . Permit me to illustrate this analogy by one or two additional experiments . On yonder gallery you see an electric lamp , placed close to.
Page 14
... close to the clock of this lecture room . An assistant in the gallery ignites FIG . 5 . & w M the lamp , and directs its powerful beam upon a mirror , M , fig . 5 , placed here behind the lecture table . By the act of reflection the ...
... close to the clock of this lecture room . An assistant in the gallery ignites FIG . 5 . & w M the lamp , and directs its powerful beam upon a mirror , M , fig . 5 , placed here behind the lecture table . By the act of reflection the ...
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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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