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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... REFRACTION , in astronomy , or RE- FRACTION of the stars , is an inflexion of the rays of those luminaries , in passing through our atmosphere , by which the apparent altitudes of the heavenly bodies are increased . This refraction ...
... REFRACTION , in astronomy , or RE- FRACTION of the stars , is an inflexion of the rays of those luminaries , in passing through our atmosphere , by which the apparent altitudes of the heavenly bodies are increased . This refraction ...
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... refraction , r , at any altitude , a , whatever ; viz . as rad . 1 : cotang . a 3r :: 57 " : " " " the refraction in seconds . This rule is adapted to these states of the barometer and thermometer . viz . either 29.6 inch barometer and ...
... refraction , r , at any altitude , a , whatever ; viz . as rad . 1 : cotang . a 3r :: 57 " : " " " the refraction in seconds . This rule is adapted to these states of the barometer and thermometer . viz . either 29.6 inch barometer and ...
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... refraction to be the twelfth part of the said distance . The quantity of this refraction , however , is found to vary considerably , with the dif- ferent states of the weather and atmo- sphere , from the fifteenth part of the dis- tance ...
... refraction to be the twelfth part of the said distance . The quantity of this refraction , however , is found to vary considerably , with the dif- ferent states of the weather and atmo- sphere , from the fifteenth part of the dis- tance ...
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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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