Sound: A Course of Eight Lectures Delivered at the Royal Institution of Great Britain |
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Page 9
... reach both observers with the same in- tensity , though in the one case the sound would pursue its way through the rare air above , while in the other it would descend through the denser air below . Again , let a It may be that the gas ...
... reach both observers with the same in- tensity , though in the one case the sound would pursue its way through the rare air above , while in the other it would descend through the denser air below . Again , let a It may be that the gas ...
Page 10
... reach both observers with the same intensity , though in the one case the sound would be propagated through the dense air of the valley , and in the other case would ascend through the rarer air of the mountain . Charge two cannon ...
... reach both observers with the same intensity , though in the one case the sound would be propagated through the dense air of the valley , and in the other case would ascend through the rarer air of the mountain . Charge two cannon ...
Page 17
... reach the ear in succession after one , two , three , or more reflections from the adjacent cliffs , and thus die away in the sweetest cadences . There is a deep cul - de- sac , called the Ochsenthal , formed by the great cliffs of the ...
... reach the ear in succession after one , two , three , or more reflections from the adjacent cliffs , and thus die away in the sweetest cadences . There is a deep cul - de- sac , called the Ochsenthal , formed by the great cliffs of the ...
Page 22
... reach the balloon , the middle point o , pursuing its way through the heavier gas within , will have only reached o ' . The wave is therefore broken at o ' , and the direction of motion being at right angles to the face of the wave ...
... reach the balloon , the middle point o , pursuing its way through the heavier gas within , will have only reached o ' . The wave is therefore broken at o ' , and the direction of motion being at right angles to the face of the wave ...
Page 40
... reach the ear in succession ; the first being transmitted through the iron and the second through the air . This effect was ob- tained by M. Biot , in his experiments on the iron water- pipes of Paris . The transmission of sound through ...
... reach the ear in succession ; the first being transmitted through the iron and the second through the air . This effect was ob- tained by M. Biot , in his experiments on the iron water- pipes of Paris . The transmission of sound through ...
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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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