 ... see reflects rays of light, and that these rays travel from the object to our eye, as soon as we bend our vision upon it : inasmuch, however, as a thousand or more individuals may see the same object at the same instant of time, it is evident that...  Sciography: Or, Radial Projection of Shadows - Page 42by Robert Campbell Puckett - 1868 - 50 pagesFull view - About this book
 | Chambers W. and R., ltd - 1842 - 744 pages
...sent back into the general mass of light. We now, then, understand, that every object we see reflects rays of light, and that these rays travel from the...upon eyes at every variety of angle. If the object be clear or polished in its surface, it will possess the power of representing the image of any object... | |
 | Chambers W. and R., ltd - 1856 - 866 pages
...individuals may see the same object at the same instant of time, it ia evident that the rays emanate at all points, and fall upon eyes at every variety of angle. If ill'' object be clear or polished in its surface, it till possess the power of representing the image... | |
 | William Chambers, Robert Chambers - Encyclopedias and dictionaries - 1860 - 842 pages
...individuals may see the same object at the same inst*" of time, it is evident that the rays emanate at all points, and fall upon eyes at every variety of angle. If the object be clear or polished in its surface, it will possess the power of representing the image of objects whose... | |
 | William Chambers, Robert Chambers - Encyclopedias and dictionaries - 1867 - 832 pages
...individuals may see the same object at the same instant of time, it is evident that the rays emanate at all points, and fall upon eyes at every variety of angle. If the object "be clear or polished in its surface, it will possess the power of representing the image of objects whose... | |
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