Lectures on Some Recent Advances in Physical Science, with a Special Lecture on Force |
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Page 192
... bright lines , brighter than the rest of the otherwise continuous spec- trum , -that there were no other lines in the spectrum but those two bright ones , and that they occupied , so far as his instrumental mea- surements enabled him to ...
... bright lines , brighter than the rest of the otherwise continuous spec- trum , -that there were no other lines in the spectrum but those two bright ones , and that they occupied , so far as his instrumental mea- surements enabled him to ...
Page 193
... bright lines exactly corre- sponded with the two dark ones as to refrangibility , and therefore also wave - length . It had been conclusively shown by Swan , that the two bright lines in the light of a candle are due to common salt ...
... bright lines exactly corre- sponded with the two dark ones as to refrangibility , and therefore also wave - length . It had been conclusively shown by Swan , that the two bright lines in the light of a candle are due to common salt ...
Page 194
... bright lines ; but that when he looked at sunlight through the electric arc and allowed the sunlight to come in so strongly as to overpower the electric light , then the electric light actually cut out the D lines from the solar ...
... bright lines ; but that when he looked at sunlight through the electric arc and allowed the sunlight to come in so strongly as to overpower the electric light , then the electric light actually cut out the D lines from the solar ...
Page 225
... bright lines given by incandescent iron , and absorption lines in the solar spectrum , may amount to several hundreds . By recording both spectra pho- tographically , it appears probable , from some recent experiments , that these ...
... bright lines given by incandescent iron , and absorption lines in the solar spectrum , may amount to several hundreds . By recording both spectra pho- tographically , it appears probable , from some recent experiments , that these ...
Page 227
... bright spots appear . In the particular spot , a portion of whose spectrum is here figured , the lines ( D , and D , ) of sodium appear not only broadened over the spot , but reversed : -i.e. bright instead of dark : -just over the ...
... bright spots appear . In the particular spot , a portion of whose spectrum is here figured , the lines ( D , and D , ) of sodium appear not only broadened over the spot , but reversed : -i.e. bright instead of dark : -just over the ...
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Common terms and phrases
absolutely absorbing amount of heat Ångström applied atmosphere Balfour Stewart body boiler bright lines calculate called Cambridge carbonic acid Carnot's chemical Chemistry colder College colour compress conservation of energy copper course Crown 8vo dark lines definite direction double stars earth earth's atmosphere Edition electricity engine enormous equal experiment experimental fact Fcap force friction give given hydrogen incandescent inch Joule kind kinetic energy light liquid magnet mass mathematical matter Mayer melting metal method motion moving nature Newton's numerous Illustrations ordinary Owens College P. G. TAIT particles pass perfectly perpetual motion physical plate portion potential energy precisely pressure principle produced Professor quantity of heat question radiation reasoning result rotation scientific simply solar spectrum stars steam substance sun's sunlight suppose surface temperature theory thing Thomson tion transformation tricity Trinity College vapour velocity vibration whole wire zinc
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