Sound: A Course of Eight Lectures Delivered at the Royal Institution of Great Britain |
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Page xii
... Bells - Experiments of Faraday and Strehlke SUMMARY OF LECTURE IV . LECTURE V. 128 156 Longitudinal Vibrations of a Wire - Relative velocities of Sound in Brass and Iron - Longitudinal Vibrations of Rods fixed at one end - Of Rods free ...
... Bells - Experiments of Faraday and Strehlke SUMMARY OF LECTURE IV . LECTURE V. 128 156 Longitudinal Vibrations of a Wire - Relative velocities of Sound in Brass and Iron - Longitudinal Vibrations of Rods fixed at one end - Of Rods free ...
Page 6
... bell for example , is placed in a space perfectly void of air ? Out of that space the sound could never come . The ... bell within the receiver of an air - pump , that he could ring the bell when the receiver was exhausted . Before the ...
... bell for example , is placed in a space perfectly void of air ? Out of that space the sound could never come . The ... bell within the receiver of an air - pump , that he could ring the bell when the receiver was exhausted . Before the ...
Page 7
... 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 , though 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 , though the ...
Page 8
... bell . I now permit air to enter the jar with as little noise as possible . You immediately hear a feeble sound , which grows louder as the air becomes more dense ; and now every person in this large assembly distinctly hears the ...
... bell . I now permit air to enter the jar with as little noise as possible . You immediately hear a feeble sound , which grows louder as the air becomes more dense ; and now every person in this large assembly distinctly hears the ...
Page 9
... bell was covered the aerial vibrations were first communicated to the heavy glass jar , and afterwards by the jar to the air outside ; a great diminution of intensity being the consequence . The action of hydrogen gas upon the voice is ...
... bell was covered the aerial vibrations were first communicated to the heavy glass jar , and afterwards by the jar to the air outside ; a great diminution of intensity being the consequence . The action of hydrogen gas upon the voice is ...
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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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