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" It seems to me to be a question of great interest to determine, whether these and other similar coincidences are real or only apparent ; whether the lines in question actually fall one upon the other, or whether they lie very close together. I believe... "
Researches on the solar spectrum, and the spectra of the chemical elements ... - Seite 11
von Gustav Robert Kirchhoff - 1862
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The Journal of the Royal institution of Great Britain. Notices of ..., Band 9

Royal institution of Great Britain - 1882 - 840 Seiten
...iron and magnesium line at 1655 • 6 (/>,), and with an iron line and calcium line at 1522-7 (E). It seems to me to be a question of great interest...with any degree of probability, and I think that a large number of prisms and an increased intensity of light will prove necessary."* The subsequent investigations...
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The Second Step in Chemistry, Or the Student's Guide to the Higher Branches ...

Robert Galloway - 1864 - 808 Seiten
...case of an iron and magnesium line, and with an iron and calcium line. It seems to me," he says, •' to be a question of great interest to determine whether...other, or whether they lie very close together. I betiere that my metliod of observation does not possess the requisite accuracy for the purpose of answering...
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The Second Step in Chemistry, Or the Student's Guide to the Higher Branches ...

Robert Galloway - 1864 - 806 Seiten
...case of an iron and magnesium line, and with an iron and calcium line. It seems to me," he says, " to be a question of great interest to determine whether...actually fall one upon the other, or whether they lie rcry close together. I belieTe that my method of observation does not possess the requisite accuracy...
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Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1870 - 514 Seiten
...Huggins' map, and future experiments with help of higher magnifying powers must decide whether these and similar coincidences are real, or only apparent ; whether the lines in question really fall upon one another, or whether they only lie very close together : — DIVISION Zinc and...
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Spectrum analysis, 6 lects

sir Henry Enfield Roscoe - 1869 - 396 Seiten
...Huggins' map, and future experiments with help of higher magnifying powers must decide whether these and similar coincidences are real, or only apparent ; whether the lines in question really fall upon one another, or whether they only lie very close together : — Zinc and Arsenic ....
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Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1873 - 542 Seiten
...Huggins' map, and future experiments with help of higher magnifying powers must decide whether these and similar coincidences are real or only apparent; whether the lines in question really fall upon one another, or whether they only lie very close together :— DIVISION Zinc and Arsenic....
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Notices of the Proceedings, Band 9

Royal Institution of Great Britain - 1882 - 774 Seiten
...an iron and magnesium line at 1655 i 6 (/.i.!, and with an iron line and calcium line at 1522-7 (E). It seems to me to be a question of great interest...with any degree of probability, and I think that a large uumber of prisms and an increased intensity of light will prove necessary."* The subsequent investigations...
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Collected Papers on Spectroscopy

George Downing Liveing, Sir James Dewar - 1915 - 646 Seiten
...of an iron and magnesium line at 1655'6 (64), and with an iron line and calcium line at 1522-7 (E). It seems to me to be a question of great interest...with any degree of probability, and I think that a large number of prisms and an increased intensity of light will prove necessary." The subsequent investigations...
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Lines of Light

J.C.D. Brand - 1995 - 284 Seiten
...to coincide. This is especially true of ... an iron and calcium line E [at 527 nm]. It seems to me a question of great interest to determine whether...or whether they lie very close together. I believe my method ... does not possess the requisite accuracy,i 121 Kirchhoff, the precise thermodynamicist,...
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