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" As far as could be judged, during this brief interval every non-atmospheric line of the solar spectrum showed bright ; an interesting observation confirmed by Mr. Pye, a young gentleman whose voluntary aid proved of much service. From the concurrence... "
SPECTRUM ANALYSIS, IN ITS APPLICATION TO TERRESTRIAL SUBSTANCES, AND THE ... - Page 175
by DR. H. SCHELLEN - 1872
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Monthly Notices of the Royal Astronomical Society, Volumes 31-32

Royal Astronomical Society - 1871 - 718 pages
...words: — " With the slit of his spectroscope placed longitudinally at the moment of obscuration, and for one or two seconds later, the field of the...lines showing them, that is, bright on a dark ground." Rapid and imperfect as this early sketch must necessarily be of the observations of the last eclipse,...
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Monthly Notices of the Royal Astronomical Society, Volume 31

1871 - 296 pages
...envelope surrounding the photosphere, and beneath the chromosphere, usually so called, whose tliickness must be limited to two or three seconds of arc, and...lines showing them, that is, bright on a dark ground." Rapid and imperfect as this early sketch must necessarily be of the observations of the last eclipse,...
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Spectrum Analysis in Its Application to Terrestrial Subsantces

Heinrich Schellen - 1872 - 744 pages
...words: — " ' With the slit of his spectroscope placed longitudinally at the moment of obscuration, and for one or two seconds later, the field of the...Fraunhofer lines showing them, — that is, bright on a darkground.' " Rapid and imperfect as this early sketch must necessarily be of the observations of...
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The Year-book of Facts in Science and Art

1872 - 318 pages
...interesting observation confirmed by Mr. Pye, a young gentleman whose voluntary aid proved of mueh service. From the concurrence of these independent...lines showing them, that is, bright on a dark ground." Professor Young adds : — " Seeche's continuous spectrum at the sun's limb is probably the same thing...
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Astronomical Register: A Medium of Communication for Amateur ..., Volume 9

1872 - 342 pages
...to be justified in assuming the probable existence of an envelope surrounding the photosphere, aud beneath the chromosphere, usually so called, whose...lines showing them, that is, bright on a dark ground." Kapid and imperfect as this early sketch must necessarily be of the observations of the last eclipse,...
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The orbs around us: a series of essays on the moon and planets [&c.].

Richard Anthony Proctor - 1872 - 396 pages
...the chromosphere usually so called, whose thickness must be limited to two or three seconds of are, and which gives a discontinuous spectrum consisting of all or nearly all the ordinary lines, showing them, that is to say, bright on a dark field.' In a note at p. 295 of my treatise...
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Astronomical Register: A Medium of Communication for Amateur ..., Volume 10

1873 - 336 pages
...and for one or two seconds later, the field of the instrument was filled with bright lines. As far ai could be judged during this brief interval, every...lines showing them, that is, bright on a dark ground.' "Professor Young adds :— " ' Secchi's continuous spectrum at the sun's limb is probably the same...
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The Canadian Naturalist and Quarterly Journal of Science: With the ..., Volume 7

Elkanah Billings, Bernard James Harrington, James Thomas Donald - 1875 - 498 pages
...thickness must be limited to " two or three seconds of arc, (from nine to fourteen hundred " miles), and which gives a discontinuous spectrum consisting of " all, or nearly all, the Fraiinhofer lines, showing them, that is, '• Iright on a dark ground." Upon the trustworthiness of...
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