Nelson's Encyclopaedia: Everybody's Book of Reference ...Thomas Nelson, 1913 |
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الصفحة 21
... color and refrangi- bility . The amount of deviation of any particular ray from the focus will depend upon which of the lens it passes through . Lenses might be ground with suitable forms of surface to pro- duce perfect focussing for a ...
... color and refrangi- bility . The amount of deviation of any particular ray from the focus will depend upon which of the lens it passes through . Lenses might be ground with suitable forms of surface to pro- duce perfect focussing for a ...
الصفحة 23
... Color Vision , Color Measurement and Mixture ( 1893 ) ; and many papers in the Philosoph ical Trans . and the Proc . Royal Society . In 1900 Captain Abney was made a K.C.B. in recognition of his scientific attainments . Among his works ...
... Color Vision , Color Measurement and Mixture ( 1893 ) ; and many papers in the Philosoph ical Trans . and the Proc . Royal Society . In 1900 Captain Abney was made a K.C.B. in recognition of his scientific attainments . Among his works ...
الصفحة 27
... color , with a black patch on one side . These are used in India as weights ( rati ) , and are strung together to form rosaries , whence their name ' prayer - beads . ' They are said to have given origin to the carat , the jeweller's ...
... color , with a black patch on one side . These are used in India as weights ( rati ) , and are strung together to form rosaries , whence their name ' prayer - beads . ' They are said to have given origin to the carat , the jeweller's ...
الصفحة 29
... colors of bodies , the color of any body being determined by the excess of the corresponding kind of light in the radiations sent back from it or transmitted through it . A great law , first recognized in some of its applications by ...
... colors of bodies , the color of any body being determined by the excess of the corresponding kind of light in the radiations sent back from it or transmitted through it . A great law , first recognized in some of its applications by ...
الصفحة 32
... color . Though the colors are most diverse when a collection from one locality is studied , they are quite uniform if the individuals themselves be considered . The crustaceans , for example , are often a bright uniform scarlet , or ...
... color . Though the colors are most diverse when a collection from one locality is studied , they are quite uniform if the individuals themselves be considered . The crustaceans , for example , are often a bright uniform scarlet , or ...
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