Sound: A Course of Eight Lectures Delivered at the Royal Institution of Great Britain |
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Page 9
... called the larynx . In its passage it is thrown into vibra- tion by the vocal chords which thus generate sound . But when I fill my lungs with hydrogen , and endeavour to speak , the vocal chords impart their motion to the hydro- gen ...
... called the larynx . In its passage it is thrown into vibra- tion by the vocal chords which thus generate sound . But when I fill my lungs with hydrogen , and endeavour to speak , the vocal chords impart their motion to the hydro- gen ...
Page 11
... called the amplitude of the vibration . The intensity of the sound is also propor- tional to the square of the amplitude . This weakening of the sound , according to the law of inverse squares , would not take place if the sound- wave ...
... called the amplitude of the vibration . The intensity of the sound is also propor- tional to the square of the amplitude . This weakening of the sound , according to the law of inverse squares , would not take place if the sound- wave ...
Page 17
... called the Ochsenthal , formed by the great cliffs of the Engelhörner , near Rosenlaui , in Switzerland , where the echoes warble in a wonderful manner . The sound of the Alpine horn also rebounding from the rocks of the Wetter- horn or ...
... called the Ochsenthal , formed by the great cliffs of the Engelhörner , near Rosenlaui , in Switzerland , where the echoes warble in a wonderful manner . The sound of the Alpine horn also rebounding from the rocks of the Wetter- horn or ...
Page 19
... the opposite side , one of the assistants chanced to impede my view . I called out to him to stand aside , and he did so imme- diately . At the end of the line the men shouted nous sommes finis , ' and I distinctly heard them through c 2.
... the opposite side , one of the assistants chanced to impede my view . I called out to him to stand aside , and he did so imme- diately . At the end of the line the men shouted nous sommes finis , ' and I distinctly heard them through c 2.
Page 33
... called the specific heat of air at constant volume , the other the specific heat of air at constant pressure . * It is an instance of the manner in which apparently unrelated natural phenomena are bound together , that from the ...
... called the specific heat of air at constant volume , the other the specific heat of air at constant pressure . * It is an instance of the manner in which apparently unrelated natural phenomena are bound together , that from 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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