Sight: An Exposition of the Principles of Monocular and Binocular Vision |
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Página 19
If we desire to look upward , we bring into action the two superior recti ; if
downward , the two inferior recti ; if to the right , the exterior rectus of the right and
the interior rectus of the left eye ; if to the left , the external rectus of the left and
internal ...
If we desire to look upward , we bring into action the two superior recti ; if
downward , the two inferior recti ; if to the right , the exterior rectus of the right and
the interior rectus of the left eye ; if to the left , the external rectus of the left and
internal ...
Página 22
The pupil seems to be jet black , because the observer looks through the pupil
into the dark interior of the ball . The function of the pupil is to admit , and at the
same time regulate the amount of , light . 4 . Linings . — Thus much is visible to
the ...
The pupil seems to be jet black , because the observer looks through the pupil
into the dark interior of the ball . The function of the pupil is to admit , and at the
same time regulate the amount of , light . 4 . Linings . — Thus much is visible to
the ...
Página 30
Look into the camera from behind , and. We pass over , with bare mention , some
obvious resemblances , in which , however , the superiority of the eye is evident :
such , e.g. , as the admirable arrangement of the lids for wiping and keeping ...
Look into the camera from behind , and. We pass over , with bare mention , some
obvious resemblances , in which , however , the superiority of the eye is evident :
such , e.g. , as the admirable arrangement of the lids for wiping and keeping ...
Página 31
Look into the camera from behind , and we see the inverted image on the ground
- glass plate ; look into the eye from behind , and we see also an inverted image
on the retina . The end , therefore , is the same in the two We now proceed to ...
Look into the camera from behind , and we see the inverted image on the ground
- glass plate ; look into the eye from behind , and we see also an inverted image
on the retina . The end , therefore , is the same in the two We now proceed to ...
Página 32
... unequally bent ; red is bent least and violet most , the other colors lying
between these extremes ; thus they are spread out over a considerable colored
space . This unequal refraction is called dispersion . If we look through a prism at
objects ...
... unequally bent ; red is bent least and violet most , the other colors lying
between these extremes ; thus they are spread out over a considerable colored
space . This unequal refraction is called dispersion . If we look through a prism at
objects ...
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Términos y frases comunes
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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