We now, then, understand that every object we 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... Sciography: Or, Radial Projection of Shadows - Page 42by Robert Campbell Puckett - 1868 - 50 pagesFull view - About this book
| Chambers W. and R., ltd - 1856 - 866 pages
...object to our eye, as soon as we bend our vision upon it : inasmuch, however, as a thousand or mot* 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''... | |
| William Chambers, Robert Chambers - Encyclopedias and dictionaries - 1867 - 832 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...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... | |
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