Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books 1 - 10 of 11 on To look at anything means to place the eye in such a position that the image of the....
" To look at anything means to place the eye in such a position that the image of the object falls on the small region of perfectly clear vision. This we may call direct vision, applying the term indirect to that exercised with the lateral parts of the... "
Naturalistic Photography for Students of the Art - Page 102
by Peter Henry Emerson - 1890 - 313 pages
Full view - About this book

Popular lectures on scientific subjects, tr. by E. Atkinson. [1st], Volume 1

1873
...the image of the object falls on the small region of perfectly clear vision. This we may call direct vision, applying the term indirect to that exercised...parts of the retina — indeed with all except the yellow spot. The defects which result from the inexactness of vision and the smaller number of cones...
Full view - About this book

Popular Lectures on Scientific Subjects

Hermann von Helmholtz, Edmund Atkinson - Science - 1873 - 397 pages
...the image of the object falls on the small region of perfectly clear vision. This we may call direct vision, applying the term indirect to that exercised...parts of the retina — indeed with all except the yellow spot. The defects which result from the inexactness of vision and the smaller number of cones...
Full view - About this book

The Philosophy of Natural Theology: An Essay in Confutation of the ...

William Jackson - Natural theology - 1874 - 398 pages
...the image of the object falls on the small region of perfectly clear vision. This we may call direct vision, applying the term indirect to that exercised...parts of the retina — indeed with all except the yellow spot. " The defects which result from the inexactness of vision and the smaller number of cones...
Full view - About this book

The philosophy of natural theology, an essay which obtained a prize at ...

1874
...the image of the object falls on the small region of perfectly clear vision. This we may call direct vision, applying the term indirect to that exercised...parts of the retina — indeed with all except the yellow spot. " The defects which result from the inexactness of vision and the smaller number of cones...
Full view - About this book

Vision

1875 - 299 pages
...that the image of the object falls on the small region of perfectly clear vision. This we call direct vision, applying the term indirect to that exercised with the lateral parts of the retina — indeed, all except the yellow spot." (Helmholtz). As an illustration, if we take the multiplication table and...
Full view - About this book

The Philosophy of Natural Theology: An Essay in Confutation of the ...

Natural theology - 1875 - 398 pages
...the image of the object falls on the small region of perfectly clear vision. This we may call direct vision, applying the term indirect to that exercised with the lateral parts of the retina—indeed with all except the yellow spot. " The defects which result from the inexactness of...
Full view - About this book

The British Journal of Photography, Volume 25

Photography - 1878
...the image of the object falls on the small region of perfectly clear vision. This we may call direct vision, applying the term indirect to that exercised...parts of the retina— indeed, with all except the yellow spot." The mistiness which occurs when the gaze is long fixed iu one direction appears to come...
Full view - About this book

The American Medical Weekly, Volumes 8-9

Edwin Samuel Gaillard - Medicine - 1878
...the imnge of the object falls on the small region of perfectly clear vision. This we may call direct vision, applying the term indirect to that exercised...parts of the retina — indeed, with all except the yellow spot." The mistiness which occurs when the gaze is long fixed in one direction appears to come...
Full view - About this book

Popular Lectures on Scientific Subjects

Hermann von Helmholtz - Science - 1883 - 397 pages
...the image of the object falls on the small region of perfectly clear vision. This we may call direct vision, applying the term indirect to that exercised with the lateral parts of the retina—indeed with all except the yellow spot. The defects which result from the inexactness of vision...
Full view - About this book

The Photographic Times: An Illustrated Monthly ..., Volume 21; Volume 29

Photography - 1897
...the image of the object falls on the small region of perfectly clear vision. This we may call direct vision, applying the term indirect to that exercised with the lateral parts of retina, indeed with all except the central spot." Again, he says, " Whatever we want to see we look...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download PDF