The Five Senses of ManD. Appleton, 1876 - 304 стор. |
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Сторінка xvi
... Tuning - fork 55. The Phonautograph . 160 165 168 169 56. Simple Transverse Vibration 57. Organ - pipes 58. The Siren 59. Dove's Siren 60. Principle af Reed - pipes 61. Reed - pipe • 62. Artificial Larynx 63. Sound - waves . 64 ...
... Tuning - fork 55. The Phonautograph . 160 165 168 169 56. Simple Transverse Vibration 57. Organ - pipes 58. The Siren 59. Dove's Siren 60. Principle af Reed - pipes 61. Reed - pipe • 62. Artificial Larynx 63. Sound - waves . 64 ...
Сторінка xvii
... Tuning - fork and Resonator . 252 86. Analysis of Vibration into Fundamental Tone and 1st Harmonic 253 87. Complicated Form of Sound - wave . • 88. Displacement of the Phases of the Harmonic 259 264 89. Electro - magnetic Tuning - fork ...
... Tuning - fork and Resonator . 252 86. Analysis of Vibration into Fundamental Tone and 1st Harmonic 253 87. Complicated Form of Sound - wave . • 88. Displacement of the Phases of the Harmonic 259 264 89. Electro - magnetic Tuning - fork ...
Сторінка 167
... , it is then set in vibration , which is accompanied by a kind of hum or tone , and the shorter the part in vibration , the higher is the tone . The tone ner . of a tuning - fork is produced in THE SENSE OF HEARING . 167.
... , it is then set in vibration , which is accompanied by a kind of hum or tone , and the shorter the part in vibration , the higher is the tone . The tone ner . of a tuning - fork is produced in THE SENSE OF HEARING . 167.
Сторінка 168
... tuning - fork , in fig . 54 , in vibration . The branches of the fork at each vibration approach first each other and then recede , an action which is not apparent to the eye , in the tuning - forks used for musi- cal purposes , since ...
... tuning - fork , in fig . 54 , in vibration . The branches of the fork at each vibration approach first each other and then recede , an action which is not apparent to the eye , in the tuning - forks used for musi- cal purposes , since ...
Сторінка 174
... tuning - fork , etc. , without any current of air reaching it , or by the interruption of a current of air , without it setting any elastic body in vibration — as in the siren . In reed - pipes , on the contrary , both methods are ...
... tuning - fork , etc. , without any current of air reaching it , or by the interruption of a current of air , without it setting any elastic body in vibration — as in the siren . In reed - pipes , on the contrary , both methods are ...
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action apparatus appear auditory canal auditory nerve basilar membrane body brain camera obscura cause centre cochlea colours convex lens conveyed direction dissonance distance distinctly distinguish ear-bones entire Ernst Heinrich Weber Eustachian tube excited experience external ear fact fenestra ovalis fibres of Corti field of vision finger fundamental tone hand harmonics Helmholtz Illusion imagine impression instance instrument International Scientific Series irritation labyrinth lens manner means motion muscles nerve-fibres number of vibrations observed octave optic nerve organs of Corti outer papillæ passes peculiar perceive perception picture pitch position possess pressure produced Prof rays of light recognise refraction retina seen sensation of light sense of locality sense of touch sensory circle sensory nerves sensory organs single skin smell sound sound-waves spectrum stereoscopic string substances surface sympathetic vibrations tactile takes place taste terminal tion tube tuning-fork tympanic cavity tympanic membrane vitreous humour waves whilst
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