Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
Dentro del libro
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... LIGHT AND PHOTOGRAPHY . By Dr. HERMANN VOGEL . 100 Illustrations . $ 2.00 . 15. FUNGI ; their Nature , Influence , and Uses . By M. C. COOKE , LL . D. Edited by M. J. BERKELEY . 109 Illustrations . $ 1.50 . 16. THE LIFE AND GROWTH OF ...
... LIGHT AND PHOTOGRAPHY . By Dr. HERMANN VOGEL . 100 Illustrations . $ 2.00 . 15. FUNGI ; their Nature , Influence , and Uses . By M. C. COOKE , LL . D. Edited by M. J. BERKELEY . 109 Illustrations . $ 1.50 . 16. THE LIFE AND GROWTH OF ...
Página 10
... light , and nothing else . If , therefore , these nerves be mechanically irritated , we do not feel anything , but see a flash of light . In a similar manner , the eighth pair - auditive nerve - is specially organized to respond to ...
... light , and nothing else . If , therefore , these nerves be mechanically irritated , we do not feel anything , but see a flash of light . In a similar manner , the eighth pair - auditive nerve - is specially organized to respond to ...
Página 13
... light . The vibrations which produce this sensation are so rapid - 399,000,000,000,000 in a sec- ond - that they can be conveyed only by the ethereal medium . For the perception of these vibrations , a pe- culiar and wonderful ...
... light . The vibrations which produce this sensation are so rapid - 399,000,000,000,000 in a sec- ond - that they can be conveyed only by the ethereal medium . For the perception of these vibrations , a pe- culiar and wonderful ...
Página 14
... light but objects . The lowest animals in which an optic nerve is found perceive light , but not objects ; because , though the specialized nerve is present , the appropriate instrument is wanting . It is on these two higher senses that ...
... light but objects . The lowest animals in which an optic nerve is found perceive light , but not objects ; because , though the specialized nerve is present , the appropriate instrument is wanting . It is on these two higher senses that ...
Página 15
... light , its intensity , color , and direction . These are incapable of further analysis , and are therefore simple sensations . Outline form may possibly be added , though this may be analyzed into a combination of directions . But ...
... light , its intensity , color , and direction . These are incapable of further analysis , and are therefore simple sensations . Outline form may possibly be added , though this may be analyzed into a combination of directions . But ...
Términos y frases comunes
angle animals axis bacillary layer binocular eye binocular perspective binocular vision camera central spot ciliary muscle circle Cloth colors combined images cones corresponding points cross depth of space distance distant objects distinct divergence double images evident exactly Experiment external images farther fibers field of view gaze Helmholtz heteronymous homonymous horizontal horopter horopteric line identical points Illustrations impression inches inclination interocular space inverted jects left eye left-eye image lens light line of sight look median line monocular motion muscles naked eyes natural nearer nose oblique observer ocular optic axes optic centers optic chiasm optic convergence optic nerve outward parallel perceived perception perfect image perfectly point of sight position projection ray-lines rays refractive represent retina retinal images right and left right eye rotation sclerotic screen seen single shut side Sociology stereoscope surface T. H. HUXLEY tion torsion vertical meridian vibrations visual lines visual result vols
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