Sight: An Exposition of the Principles of Monocular and Binocular Vision |
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With 130 Original Illustrations . Crown 8vo . cloth , price 58 . THE HUMAN
SPECIES . By Prof. A. DE QUATREFAGES . Second Edition . Crown 8vo . cloth ,
price 5s . EDUCATION AS A SCIENCE . By ALEXANDER BAIN , LL.D. Third
Edition .
With 130 Original Illustrations . Crown 8vo . cloth , price 58 . THE HUMAN
SPECIES . By Prof. A. DE QUATREFAGES . Second Edition . Crown 8vo . cloth ,
price 5s . EDUCATION AS A SCIENCE . By ALEXANDER BAIN , LL.D. Third
Edition .
Página 11
consciousness , and by will determining changes in external phenomena ; the
third , presiding over exchanges between different parts of the organism . The first
kind of exchange may be likened to foreign commerce ; the second , to exchange
...
consciousness , and by will determining changes in external phenomena ; the
third , presiding over exchanges between different parts of the organism . The first
kind of exchange may be likened to foreign commerce ; the second , to exchange
...
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 23
( a . ) Crystalline , or Lens . -Immediately behind the iris , and in contact with it , g
is found the crystalline . It is a flattened ellipsoid , or double convex lens , as clear
as finest glass , about one third of an inch in diameter , and one sixth of an inch in
...
( a . ) Crystalline , or Lens . -Immediately behind the iris , and in contact with it , g
is found the crystalline . It is a flattened ellipsoid , or double convex lens , as clear
as finest glass , about one third of an inch in diameter , and one sixth of an inch in
...
Página 42
18 , 6 ) ; third , one from the posterior surface of the crystalline , the faintest of all ,
and very small ( © ) . Further , it will be observed that the first and second are
erect images , because reflected from a convex surface , while the third 42 ...
18 , 6 ) ; third , one from the posterior surface of the crystalline , the faintest of all ,
and very small ( © ) . Further , it will be observed that the first and second are
erect images , because reflected from a convex surface , while the third 42 ...
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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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