Sound: A Course of Eight Lectures Delivered at the Royal Institution of Great Britain |
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Page 7
... holds the ham- mer . It strikes , and you see it striking , but only those 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 ...
... holds the ham- mer . It strikes , and you see it striking , but only those 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 ...
Page
... hold in my hand the open end of a gutta- percha tube of about an inch interior diameter . It passes through the floor to a room underneath this one , and * To converge the pulse upon the flame , the tube was caused to end in a cone . d ...
... hold in my hand the open end of a gutta- percha tube of about an inch interior diameter . It passes through the floor to a room underneath this one , and * To converge the pulse upon the flame , the tube was caused to end in a cone . d ...
Page 11
... hold a conversation in a low voice through an iron tube 3120 feet in 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 ...
... hold a conversation in a low voice through an iron tube 3120 feet in 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 ...
Page 12
... hold in my hand the open end of a gutta- percha tube of about an inch interior diameter . It passes through the floor to a room underneath this one , and * To converge the pulse upon the flame , the tube was caused to end in a cone . I ...
... hold in my hand the open end of a gutta- percha tube of about an inch interior diameter . It passes through the floor to a room underneath this one , and * To converge the pulse upon the flame , the tube was caused to end in a cone . I ...
Page 13
... hold a conversation in a low voice through an iron tube 3120 feet in 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 ...
... hold a conversation in a low voice through an iron tube 3120 feet in 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 ...
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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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