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" The pure earths , when violently heated, as has recently been practised by Lieutenant Drummond, by directing on small spheres of them the flames of several spirit-lamps, urged by oxygen gas, yield from their surfaces lights of extraordinary splendour,... "
Annalen der Physik und Chemie - Page 87
1863
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Encyclopædia metropolitana; or, Universal dictionary of knowledge ..., Volume 4

Encyclopaedia - 1845 - 876 pages
...from their surfaces lights of extraordinary splendour, which, when examined by prismatic analysis, are found to possess the peculiar definite rays in...characterise the tints of flames coloured by them ; so that there can be no doubt that these tints arise from the molecules of the colouring matter reduced to...
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The Photographic News, Volumes 3-4

Sir William Crookes, George Wharton Simpson - 1860 - 858 pages
...from their surfaces lights of extraordinary splendour, which, \vheu examined by prismatic analysis, are found to possess the peculiar definite rays in excess which characterise the tinte of flames coloured by them ; so that there can be no doubt that these tints arise from the molecules...
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The Chemical News and Journal of Industrial Science; with which is ..., Volume 5

1862
...from their surfaces lights of extraordinary splendour, which, when examined by prismatic analysis, are found to possess the peculiar definite rays in...characterise the tints of flames coloured by them, so that there can be no doubt that these tints arise from the molecules of the colouring matter reduced to...
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Annalen der Physik und Chemie, Volume 118

1863 - 720 pages
...of potash a beautiful pale violet.« Er führt dann die Farben au, welche Salze von Kalk, Strontian, Lithium, Baryt, Kupfer und Eisen geben und fährt...characterise the tints of flames coloured by them, *o that can be no doubt that these tints arise from the molecules of the colouring matter reduced to...
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Annalen der Physik und Chemie

1863 - 692 pages
...from their volatility. The same colours arc exhibited also , when any of the salts in question arc put in powder into the wick of a spirit-lamp « ....characterise the tints of flames coloured by them, »o that can be no doubt that these tints arise from the molecules of the colouring matter reduced...
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Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1870 - 508 pages
...from their surfaces lights of extraordinary splendour, which, when examined by prismatic analysis, are found to possess the peculiar definite rays in...characterise the tints of flames coloured by them ; so that there can be no doubt that these tints arise from the molecules of the colouring matter, reduced to...
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Spectrum Analysis -- Six Lectures

Henry E. Roscoe - 1869
...from their surfaces lights of extraordinary splendour, which, when examined by prismatic analysis, are found to possess the peculiar definite rays in...characterise the tints of flames coloured by them ; so that there can be no doubt that these tints arise from the molecules of the colouring matter, reduced to...
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Spectrum analysis, 6 lects

sir Henry Enfield Roscoe - 1869
...from their surfaces lights of extraordinary splendour, which, when examined by prismatic analysis, are found to possess the peculiar definite rays in...characterise the tints of flames coloured by them ; so that there can be no doubt that these tints arise from the molecules of the colouring matter, reduced to...
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Die spectralanalyse in einer reihe von sechs vorlesungen mit ...

Henry Enfield Roscoe, Carl Schorlemmer - 1870 - 300 pages
...peculiar definite rays in excess which characterise the tints of ilaroes coloured by them, so that there can be no doubt that these tints arise from the molecules of the colouring matter, reduccd to vapour, and held in a state of violent ignition." Talbot sagt*): „The flamo of sulphur...
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The Sun: Ruler, Fire, Light, and Life of the Planetary System

Richard Anthony Proctor - 1871 - 554 pages
...yield from their surfaces lights of extraordinary splendour, which when examined by prismatic analysis are found to possess the peculiar definite rays in excess which characterise the tints of the flames coloured by them ; so that there can be no doubt that these tints arise from the molecules...
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