Sight: An Exposition on the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 pagini |
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Pagina 9
... inch in diameter . The socket in which it is set is not a hollow sphere , but an irregu- lar hollow cone or pyramid . Evidently , therefore , the deeper and smaller parts of the hollow must be filled . with something else . It is filled ...
... inch in diameter . The socket in which it is set is not a hollow sphere , but an irregu- lar hollow cone or pyramid . Evidently , therefore , the deeper and smaller parts of the hollow must be filled . with something else . It is filled ...
Pagina 16
... inch in diameter and one sixth of an inch in thickness , firm enough to handle easily , but elastic and easily yielding to pressure . On section it is found to consist of layers increasing in density from surface to center , as shown in ...
... inch in diameter and one sixth of an inch in thickness , firm enough to handle easily , but elastic and easily yielding to pressure . On section it is found to consist of layers increasing in density from surface to center , as shown in ...
Pagina 20
... inches in diameter ; cover the hole with an opaque plate of sheet iron , in which there is a very small hole one tenth to one twentieth of an inch in diameter . If , now , a sheet of white paper be held a little way from the small hole ...
... inches in diameter ; cover the hole with an opaque plate of sheet iron , in which there is a very small hole one tenth to one twentieth of an inch in diameter . If , now , a sheet of white paper be held a little way from the small hole ...
Pagina 23
... inch ( 15 mm . ) in front of the retina . The size of the retinal image is as much smaller than the object as the former is nearer to the nodal point than the latter , and therefore for distant objects it must be extremely minute ...
... inch ( 15 mm . ) in front of the retina . The size of the retinal image is as much smaller than the object as the former is nearer to the nodal point than the latter , and therefore for distant objects it must be extremely minute ...
Pagina 33
... inch wide . When they contract , they draw up the pupil , like a string about the mouth of a bag , and make it small ( Fig . 15 , A ) . We may regard the radiating fibers as elastic , and as contracting passively by elasticity when ...
... inch wide . When they contract , they draw up the pupil , like a string about the mouth of a bag , and make it small ( Fig . 15 , A ) . We may regard the radiating fibers as elastic , and as contracting passively by elasticity when ...
Alte ediții - Afișează-le pe toate
Sight: An Exposition of the Principles of Monocular and Binocular Vision Joseph LeConte Vizualizare completă - 1895 |
Sight: An Exposition of the Principles of Monocular and Binocular Vision Joseph Leconte Nu există previzualizare disponibilă - 2018 |
Sight: An Exposition of the Principles of Monocular and Binocular Vision Joseph LeConte Nu există previzualizare disponibilă - 2016 |
Termeni și expresii frecvente
adjustment angle axis bacillary layer becomes binocular eye binocular perspective binocular vision camera central spots ciliary muscle colors combined image concave cones convergent motion corresponding points cross depth of space distance distant objects distinct divergence double images evident exactly experiment experimental plane explained external images farther fibers field of view focal fore Helmholtz heteronymous homonymously horizontal horopter horopteric circle impression inches inclined interocular space law of corresponding left eye left-eye image lens light line of sight look median line middle monocular muscles naked eyes nearer nodal point nose oblique observer ocular motion opposite directions optic axes optic centers optic chiasm optic nerve optic vesicle outward parallel motion perception perfectly phenomena point of sight position primary projection rays refractive represent retina retinal images right eye rotation sclerotic screen seen single side stereoscope surface tion torsion vergence vertical line vertical meridian vibrations visual plane visual result
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