On radiation. 'Bede' lect., 1865Longman and Company, 1865 - 62 pages |
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Page 15
... thus produced by different gases , we can readily deduce the relative amounts of wave motion which their molecules intercept . In this way the substances mentioned in the fol- lowing table were examined , a small portion only of.
... thus produced by different gases , we can readily deduce the relative amounts of wave motion which their molecules intercept . In this way the substances mentioned in the fol- lowing table were examined , a small portion only of.
Page 16
... amounts of wave motion absorbed by the respective gases , the quantity inter- cepted by atmospheric air being taken as unity . Radiation through gases . Name of gas . Air Oxygen Nitrogen Relative absorption . 1 1 Hydrogen 1 Carbonic ...
... amounts of wave motion absorbed by the respective gases , the quantity inter- cepted by atmospheric air being taken as unity . Radiation through gases . Name of gas . Air Oxygen Nitrogen Relative absorption . 1 1 Hydrogen 1 Carbonic ...
Page 19
... amount of the obscure heat admitted being limited by this eircumstance . But with our opaque solution we may employ the entire surface of the largest lens , and having thus converged the rays , luminous and non - luminous , we can ...
... amount of the obscure heat admitted being limited by this eircumstance . But with our opaque solution we may employ the entire surface of the largest lens , and having thus converged the rays , luminous and non - luminous , we can ...
Page 21
... amount of the purely luminous emission . Experi- ments , performed in this way , prove that if all the visible rays of the electric light were converged to a focus of dazzling brilliancy , its heat would only be one ninth of that ...
... amount of the purely luminous emission . Experi- ments , performed in this way , prove that if all the visible rays of the electric light were converged to a focus of dazzling brilliancy , its heat would only be one ninth of that ...
Page 22
... selected in succession , the amount of heat fall- ing upon the pile at every point of its march , being declared by an associated magnetic needle . THE ELECTRIC SPECTRUM . 23 When this instrument is brought 22 ON RADIATION .
... selected in succession , the amount of heat fall- ing upon the pile at every point of its march , being declared by an associated magnetic needle . THE ELECTRIC SPECTRUM . 23 When this instrument is brought 22 ON RADIATION .
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Common terms and phrases
absorbs Acetic ether Amy Herbert Amylene Ancient aqueous vapour ATLAS atmosphere atoms augmented Author Bart Bisulphide of carbon body Calorescence calorific rays calorific waves Cantab carbonic acid chemical Chemistry Coll coloured dark rays Dictionary Edinburgh Review electric light elementary Elements emitted English Essays experiments Fourth Edition Fraser's Magazine gases Geography Germanica glass Handbook HISTORY of ENGLAND incandescence intercept invisible rays iodine Lectures liquids LORD MACAULAY LYRA Manual molecules MOORE'S Natural non-luminous numbers obscure rays olefiant gas opaque optic nerve oxygen pass Physical Plates platinum wire Portrait Post 8vo Practical PUBLISHED BY LONGMAN radiant heat radiation and absorption refrangibility rendered retina revised Science Second Edition SECOND SERIES Sir William Herschel solar spectrum Square crown 8vo Sulphuric ether temperature thermo-electric pile Third Edition tion Translated Treatise tube ultra-red ultra-red rays vibrations visible visible spectrum vols wave motion waves of ether white heat Wood Engravings Woodcuts
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