Sound, 8 lectures1869 |
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Página xv
... Intervals-- Lis- sajous ' Figures - Sympathetic Vibrations - Mechanism of Hearing- Schultze's Bristles - The Otolithes - Corti's Fibres - Conclusion APPENDIX XV PAGE 253 281 . 283 . 323 SOUND . LECTURE I. -― THE NERVES AND SENSATION -
... Intervals-- Lis- sajous ' Figures - Sympathetic Vibrations - Mechanism of Hearing- Schultze's Bristles - The Otolithes - Corti's Fibres - Conclusion APPENDIX XV PAGE 253 281 . 283 . 323 SOUND . LECTURE I. -― THE NERVES AND SENSATION -
Página 12
... interval FIG . 4 . B between the clap and the extinction of the flame . I do not say that the time required by the sound to travel through this tube is immeasurably short , but simply that the interval is too short for your senses to ...
... interval FIG . 4 . B between the clap and the extinction of the flame . I do not say that the time required by the sound to travel through this tube is immeasurably short , but simply that the interval is too short for your senses to ...
Página 17
... interval exists between a direct and a reflected sound , we hear the latter as an echo . The reflected sound moves with the same velocity as the direct sound , so that in air of the freezing temperature the echo of a pistol - shot from ...
... interval exists between a direct and a reflected sound , we hear the latter as an echo . The reflected sound moves with the same velocity as the direct sound , so that in air of the freezing temperature the echo of a pistol - shot from ...
Página 27
... interval between the ap- pearance of a flash of lightning and the arrival of the accom- panying thunder peal , we at once determine the distance . of the place of discharge . It is only when the interval between the flash and peal is ...
... interval between the ap- pearance of a flash of lightning and the arrival of the accom- panying thunder peal , we at once determine the distance . of the place of discharge . It is only when the interval between the flash and peal is ...
Página 45
... may be readily calculated . The distance of a fired cannon or of a discharge of light- ning may be determined by observing the interval which elapses between the flash and the sound . From the foregoing , it is easy to see that.
... may be readily calculated . The distance of a fired cannon or of a discharge of light- ning may be determined by observing the interval which elapses between the flash and the sound . From the foregoing , it is easy to see that.
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Términos y frases comunes
aërial augmentation beats bell burner carbonic acid caused centre Chladni column of air condensation conduit corresponding Crown 8vo density diameter disc dissonance distance divides division Edition elasticity embouchure emitted experiments flame fork fundamental tone gases glass harmonic hear heard Helmholtz human voice hydrogen illustrated inches instrument intensity interval lecture length light liquid longitudinal vibration major third membrane meters motion musical intervals musical sound nodal lines nodes number of vibrations obtained octave odd numbers open pipe organ-pipe orifice oscillation overtones particles pass pendulum perfect pitch placed plate pressure produced prongs propagation pulses rapidity rarefaction rate of vibration ratio reed rendered resonance resultant tone rod fixed rotation screen shorten shown in fig sonorous wave square stretched string surface syren tion tube tuning-fork tympanic membrane unison vein velocity of propagation velocity of sound ventral segments vibrating segments vols wire Woodcuts
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