Sound: A Course of Eight Lectures Delivered at the Royal Institution of Great BritainLongmans, Green,, 1867 - 335 páginas |
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Página 99
... division of the long upper segment of the tube , without any apparent cause , is very surprising ; but if you grant me your attention for a moment , you will find that these experiments are essentially similar to those which illustrated ...
... division of the long upper segment of the tube , without any apparent cause , is very surprising ; but if you grant me your attention for a moment , you will find that these experiments are essentially similar to those which illustrated ...
Página 102
... middle of the FIG . 38 . untouched half a little rider of red paper . I damp the centre and draw the bow , the string shivers , and the rider is overthrown , fig . 38 . DIVISION OF MUSICAL STRINGS . 103 I now damp the 102 LECTURE III .
... middle of the FIG . 38 . untouched half a little rider of red paper . I damp the centre and draw the bow , the string shivers , and the rider is overthrown , fig . 38 . DIVISION OF MUSICAL STRINGS . 103 I now damp the 102 LECTURE III .
Página 103
... DIVISION OF MUSICAL STRINGS . 103 I now damp the string at a point which cuts off one- third of its length , and then draw the bow across the shorter section . Not only is this section thereby thrown into vibration , but the longer ...
... DIVISION OF MUSICAL STRINGS . 103 I now damp the string at a point which cuts off one- third of its length , and then draw the bow across the shorter section . Not only is this section thereby thrown into vibration , but the longer ...
Página 105
... division of the wire . It will not fail to interest you if I now introduce to your notice some recent experiments with vibrating strings , which appeal to the eye with a beauty and a delicacy far surpassing anything attainable with our ...
... division of the wire . It will not fail to interest you if I now introduce to your notice some recent experiments with vibrating strings , which appeal to the eye with a beauty and a delicacy far surpassing anything attainable with our ...
Página 112
... division of the string , therefore , declares the interval . Here also are two forks separated by an interval of a fourth . With a certain tension one of the forks divides our string into three ventral segments ; with the same tension ...
... division of the string , therefore , declares the interval . Here also are two forks separated by an interval of a fourth . With a certain tension one of the forks divides our string into three ventral segments ; with the same tension ...
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Palavras e frases frequentes
auditory nerve augmentation beats bell burner carbonic acid cause centre Chladni clarionet column of air condensation corresponding Crown 8vo damp 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 obtain octave open pipe organ-pipe orifice oscillate overtones particles pass pitch plate pressure produced prongs puffs pulses 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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