The Nature of Light, with a General Account of Physical OpticsHenry S. King & Company, 1875 - 356 стор. |
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Сторінка 3
... means of a Bunsen's burner ( fig . 1 ) . In this form of burner ordinary gas conducted through india - rubber tubing streams into the tube of the burner . Air enters , however , through an opening ( shown in the adjoining sketch ) , as ...
... means of a Bunsen's burner ( fig . 1 ) . In this form of burner ordinary gas conducted through india - rubber tubing streams into the tube of the burner . Air enters , however , through an opening ( shown in the adjoining sketch ) , as ...
Сторінка 5
... means . The contrary effects observed in these two cases admit of easy explanation . In the latter instance the amount of air supplied is so great that scarcely any of that separation of the particles of carbon takes place , which is so ...
... means . The contrary effects observed in these two cases admit of easy explanation . In the latter instance the amount of air supplied is so great that scarcely any of that separation of the particles of carbon takes place , which is so ...
Сторінка 6
... means of two stop- ' Oxygen lamp . FIG . 3 . cocks , shown in the figure . The circular flame can thus be easily rendered intolerably bright . 4. If more oxygen be admitted than is necessary to produce the greatest degree of ...
... means of two stop- ' Oxygen lamp . FIG . 3 . cocks , shown in the figure . The circular flame can thus be easily rendered intolerably bright . 4. If more oxygen be admitted than is necessary to produce the greatest degree of ...
Сторінка 7
... means of clockwork set in motion by the key c , cause a coil of magnesium wire , on the wheel K , to be slowly unwound and passed through the tube Rƒ , in proportion to the rapidity with which it is burnt at ƒ . After the end of the ...
... means of clockwork set in motion by the key c , cause a coil of magnesium wire , on the wheel K , to be slowly unwound and passed through the tube Rƒ , in proportion to the rapidity with which it is burnt at ƒ . After the end of the ...
Сторінка 10
... means of clockwork the two carbon points are made to approximate to each other , the inferior ( positive ) pole moving rather faster than the other , in view of the greater rapidity with which it is burnt off . Before the current ...
... means of clockwork the two carbon points are made to approximate to each other , the inferior ( positive ) pole moving rather faster than the other , in view of the greater rapidity with which it is burnt off . Before the current ...
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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