The Nature of Light, with a General Account of Physical OpticsHenry S. King & Company, 1875 - 356 стор. |
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Сторінка xi
... obtained by the use of a circular opening 109 110 110 . 111 112 115 118 119 • 93. Combination of the colours of a spectrum to form white light 94. Complementary colours 119 • 120 95. Combination of two homogeneous colours 121 96 ...
... obtained by the use of a circular opening 109 110 110 . 111 112 115 118 119 • 93. Combination of the colours of a spectrum to form white light 94. Complementary colours 119 • 120 95. Combination of two homogeneous colours 121 96 ...
Сторінка 5
... obtain the highest illuminating power of a flame in which hydrocarbonaceous compounds are undergoing combus- tion , the regulation of the supply of air is essential . A still greater degree of illumination may be obtained , if , instead ...
... obtain the highest illuminating power of a flame in which hydrocarbonaceous compounds are undergoing combus- tion , the regulation of the supply of air is essential . A still greater degree of illumination may be obtained , if , instead ...
Сторінка 6
... the other hand , if an infusible and incombustible substance , as chalk or magnesia , be introduced into the hot flame , it is raised to white heat and emits Drummond's light . a blinding glare . To obtain this - Drummond's lime 6 OPTICS .
... the other hand , if an infusible and incombustible substance , as chalk or magnesia , be introduced into the hot flame , it is raised to white heat and emits Drummond's light . a blinding glare . To obtain this - Drummond's lime 6 OPTICS .
Сторінка 7
Eugene Lommel. a blinding glare . To obtain this - Drummond's lime light , as it has been named , after its inventor - the arrangement ( shown in fig . 3 ) , may be conveniently used . Its construction is easily intelligible from what ...
Eugene Lommel. a blinding glare . To obtain this - Drummond's lime light , as it has been named , after its inventor - the arrangement ( shown in fig . 3 ) , may be conveniently used . Its construction is easily intelligible from what ...
Сторінка 35
... obtain a knowledge of the angle a between the two surfaces of the prism , it is only necessary to subtract the angle of revolution of the indicator , which can be read off on the divisions of the circumference , from 180 ° . Instruments ...
... obtain a knowledge of the angle a between the two surfaces of the prism , it is only necessary to subtract the angle of revolution of the indicator , which can be read off on the divisions of the circumference , from 180 ° . Instruments ...
Загальні терміни та фрази
absorption æther angle of incidence angle of refraction aperture appears beam blue body bright lines carbon points centre circle colour consequently convex convex lens corresponding Crown 8vo crown glass crystal dark lines Demy 8vo difference of path diffraction direction double refraction elementary waves equal exhibit fasciculus Fcap flame flint glass fluorescence focal distance green half wave-length Heliostat homogeneous Iceland spar illuminated Illustrations incident rays index of refraction International Scientific Series lens lenses luminous point marginal rays metal Nicol's prism object observed optic axis parallel particles pass perpendicular phenomena placed plane of vibration polariscope polarised ray position Post 8vo principal plane prism propagated Quartz ray of light reflected reflexion refracted ray refracting angle refrangible regarded right angles rotated screen Second Edition seen slit Sodium solar spectrum source of light spectra surface telescope thickness tion traverse tube undulatory vapour velocity vertical violet vols whilst yellow
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