Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
Dentro del libro
Resultados 6-10 de 52
Página 14
... tion in the ear ; the sound does not seem to be in the ear , but in yonder bell . Finally , in sight , the impres- sion is so completely projected outward , and the con- sciousness of anything taking place in the eye so com- pletely ...
... tion in the ear ; the sound does not seem to be in the ear , but in yonder bell . Finally , in sight , the impres- sion is so completely projected outward , and the con- sciousness of anything taking place in the eye so com- pletely ...
Página 26
... ; but the image is now infinitely faint , and therefore invisible . If , now , we try to increase the brightness by increasing the size of the hole , in propor- tion as we get brightness do we lose distinctness . 26 MONOCULAR VISION .
... ; but the image is now infinitely faint , and therefore invisible . If , now , we try to increase the brightness by increasing the size of the hole , in propor- tion as we get brightness do we lose distinctness . 26 MONOCULAR VISION .
Página 27
An Exposition of the Principles of Monocular and Binocular Vision Joseph Le Conte. tion as we get brightness do we lose distinctness . We can not get both at the same time . Experiment . - Let a room with solid shutters be dark- ened ...
An Exposition of the Principles of Monocular and Binocular Vision Joseph Le Conte. tion as we get brightness do we lose distinctness . We can not get both at the same time . Experiment . - Let a room with solid shutters be dark- ened ...
Página 33
... tion in the opposite direction by the concave lens . Such a com- bination will therefore make no image . In order that such a combination should make an image at all , it is necessary that the convexity should predominate over the ...
... tion in the opposite direction by the concave lens . Such a com- bination will therefore make no image . In order that such a combination should make an image at all , it is necessary that the convexity should predominate over the ...
Página 37
... tion . However the result may be ac- complished , whether by one or by both methods , it is certain that in good eyes it is completely achieved , for the clear- ness of vision is wholly conditioned on the sharpness of the retinal image ...
... tion . However the result may be ac- complished , whether by one or by both methods , it is certain that in good eyes it is completely achieved , for the clear- ness of vision is wholly conditioned on the sharpness of the retinal image ...
Otras ediciones - Ver todas
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
Pasajes populares
Página 13 - MOCKLER, E. — A Grammar of the Baloochee Language, as it is spoken in Makran (Ancient Gedrosia), in the Persia-Arabic and Roman characters.
Página 7 - Current Coin. Materialism — The Devil — Crime — Drunkenness — , Pauperism — Emotion — Recreation — The Sabbath. Third Edition. Crown 8vo. Cloth, price 6s. Speech in Season. Fourth Edition. Crown 8vo. Cloth, price o$.
Página 9 - XVIII. The Nature of Light: With a General Account of Physical Optics.
Página 26 - MANS (Eliza A.). An Essay on the Culture of the Observing Powers of Children, especially in connection with the Study of Botany. Edited, with Notes and a Supplement, by Joseph Payne, FCP, Author of " Lectures on the Science and Art of Education,
Página 15 - Frank, FRGS— Matabele Land and the Victoria Falls. A Naturalist's Wanderings in the Interior of South Africa. Edited by CG GATES, BA With numerous Illustrations and 4 Maps.
Página 10 - Joseph.— Free Trade in Land. Edited by his Widow. With Preface by the Right Hon.
Página 1 - Phantasmion. A Fairy Tale. With an Introductory Preface by the Right Hon. Lord Coleridge, of Ottery St. Mary. A New Edition. Illustrated. Crown 8vo. Cloth, price js. 6d. Memoir and Letters of Sara Coleridge. Edited by her Daughter. With Index. 2 vols. With Two Portraits. Third Edition, Revised and Corrected. Crown 8vo. Cloth, price 24$.