Sight: An Exposition of the Principles of Monocular and Binocular Vision |
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Página 13
Above the number just given , ethereal vibrations are perceived as different
colors , in the order seen in the spectrum , until 831 , 000 , 000 , 000 ,000 is
reached . Beyond this we have no nerve capable of responding The gradation
among the ...
Above the number just given , ethereal vibrations are perceived as different
colors , in the order seen in the spectrum , until 831 , 000 , 000 , 000 ,000 is
reached . Beyond this we have no nerve capable of responding The gradation
among the ...
Página 18
The first turns the ball upward , the second downward , the third to the right , and
the fourth to the left , if we are speaking of the right eye . This is their action
expressed generally ; but , by reference to Fig . 20 , on page 54 , it is seen that
the axis ...
The first turns the ball upward , the second downward , the third to the right , and
the fourth to the left , if we are speaking of the right eye . This is their action
expressed generally ; but , by reference to Fig . 20 , on page 54 , it is seen that
the axis ...
Página 26
Thus it is seen that rays from widely different points in the object mix with each
other on the receiving screen ; much more , then , would rays from contigu ous
points of the object mix . In such a case , the mixing is so great that no
recognizable ...
Thus it is seen that rays from widely different points in the object mix with each
other on the receiving screen ; much more , then , would rays from contigu ous
points of the object mix . In such a case , the mixing is so great that no
recognizable ...
Página 27
If , now , a sheet of white paper be held a little way from the small hole , an
inverted image of the external landscape will be seen on the sheet . If we
increase the size of the hole , the image will be brighter , but also more blurred .
Illustrations.
If , now , a sheet of white paper be held a little way from the small hole , an
inverted image of the external landscape will be seen on the sheet . If we
increase the size of the hole , the image will be brighter , but also more blurred .
Illustrations.
Página 29
If the eye of an ox be taken from the socket , and the sclerotic carefully removed ,
so that the back parts of the eye are somewhat transparent , a miniature image of
the landscape may be seen there ; or , 2. If we remove the eyeball of a white ...
If the eye of an ox be taken from the socket , and the sclerotic carefully removed ,
so that the back parts of the eye are somewhat transparent , a miniature image of
the landscape may be seen there ; or , 2. If we remove the eyeball of a white ...
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adjustment already angle appear becomes binocular called central spot circle Cloth colors combined complete condition cones convergence corresponding points cross Demy 8vo diagram direction distance distinct double images evident exactly Experiment explained external fact fall farther Fcap field of view figures front hand horizontal horopter Illustrations impression inches inclination increasing Large layer left eye lens less light look median middle motion move muscles natural nearer necessary nerve nose object observer opposite optic optic axes outward parallel passing perception perfect perfectly perspective phenomena plane Poems point of sight position post 8vo price 35 primary produced projection rays referred represent result retina retinal images right eye rotation screen Second Edition seen shown side single Small crown 8vo space stereoscope surface Third tion Translated true turn unite vertical vision visual lines vols wall whole
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Información bibliográfica
| Título | Sight: An Exposition of the Principles of Monocular and Binocular Vision Volumen33 de Internat. sci. series International scientific series |
| Autor | Joseph LeConte |
| Editor | D. Appleton, 1881 |
| Procedencia del original | Universidad de Oxford |
| Digitalizado | 7 Sep. 2006 |
| Largo | 275 páginas |
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