The five senses of man1876 |
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Página x
... Refraction of the Light - Rays in a Lens - Path of the Light - Rays in the Eye • PAGE 48 CHAPTER II . The Adjustment of the Eye --Short Sight and Long Sight CHAPTER III . Recognition of the Interior Portions of the Eye - The Ophthalmo ...
... Refraction of the Light - Rays in a Lens - Path of the Light - Rays in the Eye • PAGE 48 CHAPTER II . The Adjustment of the Eye --Short Sight and Long Sight CHAPTER III . Recognition of the Interior Portions of the Eye - The Ophthalmo ...
Página 48
... Refraction of the Light - rays in a Lens - Path of the Light - rays in the Eye . WHILST we can only become acquainted with the pre- sence of bodies through the organ of touch , when we bring the surface of our skin in direct contact ...
... Refraction of the Light - rays in a Lens - Path of the Light - rays in the Eye . WHILST we can only become acquainted with the pre- sence of bodies through the organ of touch , when we bring the surface of our skin in direct contact ...
Página 53
... refracted in such a manner that they unite into a distinct picture upon the background of the eye . It is well known that with the aid of a glass lens we can throw a representation of any object upon a screen . If , for example , we ...
... refracted in such a manner that they unite into a distinct picture upon the background of the eye . It is well known that with the aid of a glass lens we can throw a representation of any object upon a screen . If , for example , we ...
Página 54
... refraction , because the lens stands in the same relation to it as if it were a pane of glass bounded by parallel surfaces . A second ray passes through the focus F , strikes the lens , and is continued on the other side in a line ...
... refraction , because the lens stands in the same relation to it as if it were a pane of glass bounded by parallel surfaces . A second ray passes through the focus F , strikes the lens , and is continued on the other side in a line ...
Página 55
... refraction of the rays of light in the eye is much more complicated than in a simple convex lens ; for , in the eye , the ray of light passes through several substances , and is refracted at the surface of each substance . The common ...
... refraction of the rays of light in the eye is much more complicated than in a simple convex lens ; for , in the eye , the ray of light passes through several substances , and is refracted at the surface of each substance . The common ...
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Términos y frases comunes
action apparatus appear auditory nerve basilar membrane body brain camera obscura cause centre cochlea colours conveyed Crown 8vo Demy 8vo direction dissonance distance distinctly distinguish ear-bones edge Ernst Heinrich Weber Eustachian tube excited experience external ear Fcap fenestra ovalis fibres of Corti field of vision finger fundamental tone hand harmonics Helmholtz Illusion Illustrations imagine impression instance International Scientific Series irritation labyrinth lens motion muscles nerve-fibres number of vibrations object observed octave optic nerve organs of Corti outer papillæ peculiar perceive perception picture pitch position possess Post 8vo pressure produced recognise refraction retina Second Edition 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 vols waves whilst yellow
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