The British Encyclopedia: Or, Dictionary of Arts and Sciences. Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Volume 10Mitchell, Ames, and White, 1818 - Natural history |
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... light , as in a cloudy or bright day , or be- tween bodies illuminated in different de- grees . The ratio of the intensities of two luminous objects has been attempted to be measured by placing them at different dis- tances from a given ...
... light , as in a cloudy or bright day , or be- tween bodies illuminated in different de- grees . The ratio of the intensities of two luminous objects has been attempted to be measured by placing them at different dis- tances from a given ...
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... light ad- mitted into the eye diminished . An op- posite change takes place when we go from a strong into a weak light . These motions depend entirely on the mode in which light affects the retina ; for the iris is of itself insensible ...
... light ad- mitted into the eye diminished . An op- posite change takes place when we go from a strong into a weak light . These motions depend entirely on the mode in which light affects the retina ; for the iris is of itself insensible ...
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... light . Transparent bodies have the power of refracting the rays of caloric as well as those of light . They differ also in their refrangibility . So far as experiment goes , the most of the rays of caloric are less refrangible than the ...
... light . Transparent bodies have the power of refracting the rays of caloric as well as those of light . They differ also in their refrangibility . So far as experiment goes , the most of the rays of caloric are less refrangible than the ...
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The British Encyclopedia: Or, Dictionary of Arts and Sciences. Comprising an ... William Nicholson No preview available - 2015 |
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