On radiation. 'Bede' lect., 1865Longman and Company, 1865 - 62 pages |
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Page 4
... tion ; that a ray once emitted continues to be emitted when the temperature is increased , and hence the emission from our platinum wire , even when it has attained its maximum brilliancy , consists of a mix- ture of visible and ...
... tion ; that a ray once emitted continues to be emitted when the temperature is increased , and hence the emission from our platinum wire , even when it has attained its maximum brilliancy , consists of a mix- ture of visible and ...
Page 17
... same atoms in a state of chemical union , that exist uncombined in the atmosphere ; but the absorp- tion of the compound is 1800 times that of the air . 5. Formation of Invisible Foci . This extraordinary deportment of 2.
... same atoms in a state of chemical union , that exist uncombined in the atmosphere ; but the absorp- tion of the compound is 1800 times that of the air . 5. Formation of Invisible Foci . This extraordinary deportment of 2.
Page 18
... to examine the substance in its usual solid condi- tion . It however dissolves freely in bisulphide of TRANSPARENCY OF IODINE . 19 carbon . There is no 18 ON RADIATION . Absorption by Iodine Formation of Invisible Foci.
... to examine the substance in its usual solid condi- tion . It however dissolves freely in bisulphide of TRANSPARENCY OF IODINE . 19 carbon . There is no 18 ON RADIATION . Absorption by Iodine Formation of Invisible Foci.
Page 19
... tion , in which the uncombined atoms of the element can act upon the radiant heat . When permitted to do so , it was found that a layer of dissolved iodine , sufficiently opaque to cut off the light of the mid- day sun , was almost ...
... tion , in which the uncombined atoms of the element can act upon the radiant heat . When permitted to do so , it was found that a layer of dissolved iodine , sufficiently opaque to cut off the light of the mid- day sun , was almost ...
Page 23
... of the diagram representing the luminous radiation . In- deed , the idea forced upon the mind by the inspec- tion of this diagram is that the light rays are a mere insignificant appendage to the dark ones , thrown in as.
... of the diagram representing the luminous radiation . In- deed , the idea forced upon the mind by the inspec- tion of this diagram is that the light rays are a mere insignificant appendage to the dark ones , thrown in as.
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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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