Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
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Página 172
... angle of the same amount , the inclination of the hyperbolic curve on the horizontals of the wall will be about 20 ... angles of the cross would be about 70 ° and 110 ° . Now rotate these crosses 15 ° , the right upper one to the right ...
... angle of the same amount , the inclination of the hyperbolic curve on the horizontals of the wall will be about 20 ... angles of the cross would be about 70 ° and 110 ° . Now rotate these crosses 15 ° , the right upper one to the right ...
Página 173
... with rotation to the right . 4. These laws may be all generalized into one , viz .: When the vertical and lateral angles have the same sign , the rotation is positive ( to the right. THE POINT OF SIGHT . LAWS OF PARALLEL MOTION . 173.
... with rotation to the right . 4. These laws may be all generalized into one , viz .: When the vertical and lateral angles have the same sign , the rotation is positive ( to the right. THE POINT OF SIGHT . LAWS OF PARALLEL MOTION . 173.
Página 174
... angle of torsion of the eye in its second position is the same as if the eye had come to this second position by turning about a fixed axis perpendicular both to the first and the second position of the line of sight . " + Now an axis ...
... angle of torsion of the eye in its second position is the same as if the eye had come to this second position by turning about a fixed axis perpendicular both to the first and the second position of the line of sight . " + Now an axis ...
Página 179
... angles to the line of the face , in such wise that the plane of the card shall cut through the center of the two pupils ... angle with the line of the face , then the vis- ual plane is elevated or depressed above or below the primary ...
... angles to the line of the face , in such wise that the plane of the card shall cut through the center of the two pupils ... angle with the line of the face , then the vis- ual plane is elevated or depressed above or below the primary ...
Página 183
... angle , thus — " \ / \ / \ " . Looking upward more and more , the angle decreases till it becomes 0 ( i . e . , the jambs parallel ) , and then in- verted . I find that in the previous experiment , stand- ing from the window the ...
... angle , thus — " \ / \ / \ " . Looking upward more and more , the angle decreases till it becomes 0 ( i . e . , the jambs parallel ) , and then in- verted . I find that in the previous experiment , stand- ing from the window the ...
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Términos y frases comunes
angle bacillary layer binocular eye binocular perspective binocular vision camera central spot Cheaper Edition ciliary muscle Cloth colors combined images cones corresponding points cross Demy 8vo depth of space distant objects distinct double images evident exactly Experiment external images farther Fcap fibers field of view focal adjustment foreground forms of perspective Frontispiece heteronymously horizontal horopter identical points Illustrations impression inches inclination interocular space jects judgments Large post 8vo left eye lens light line of sight look median plane monocular motion muscles naked eyes nearer nose object or scene observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perception of depth perfectly Poems point of sight position projection represent retina retinal images right and left right eye rotation screen Second Edition seen single side Small crown 8vo stereoscope stereoscopic pictures Third Edition tion torsion turn the eyes visual lines visual result vols
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