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1
Report of the ... Meeting of the British Association for ...
479 2. Report on Meteorological Observations on Ben Nevis (p. 55) 479 □3. Some Results with the Solar Physics Observatory Photo-Spectro-Helio- graph. By William J. S Lockyer, M.A, Ph.D , F.R.A.S 480 4. On the Unsymmetrical Distribution ...
British Association for the Advancement of Science, British Association for the Advancement of Science. Meeting, 1905
2
Report of the Chief Astronomer - 158 ページ
Prisms of 51mro. aperture are successfully used in the Yerkes Spectrograph, but Frost's experience as also that of Hale in large spectro-helio- graph prisms shows that the limit is nearly reached. ' In discussing the necessary conditions for ...
Canada. Astronomical Branch, 1910
3
Astronomy for Everybody: A Popular Exposition of the ... - 98 ページ
They are, however, rare near the poles of the sun. That the spots and facuke proceed from some one general cause has been brought out by the spectro-helio- graph, an instrument devised by Professor George E. Hale for taking photographs ...
4
Report of the Chief Astronomer - 158 ページ
Prisms of 51mm. aperture are successfully used in the Yerkes Spectrograph, but Frost's experience as also that of Hale in large spectro-helio- graph prisms shows that the limit is nearly reached. : In discussing the necessary conditions for ...
Canada. Dept. of the Interior. Astronomical Branch, 1910
5
Poems of Science - 58 ページ
An instrument still newer than the spectroscope is the spectro-helio-graph, the invention of Dr. George Ellery Hale, of Mount Wilson Observatory in California. Dr. Hale has devoted 38 years, since 1891, to the observation and interpretation of ...
6
The Life and Death of Stars - 44 ページ
The instrument used to make and record such a spectrum is called a spectroheliograph, a composite word consisting of spectro for “spectrum,” helio for the “Sun,” and graph for “record” (Fig. 3.7). It uses the grooves of a diffraction grating to ...
7
Memorie - 第 22～23 巻 - 204 ページ
... the solar spectrum, and fainter and more delicate calcium reversals should be obtained by its means. it would probably be advisable to have a set of three prisms for a spectro-helio- graph, so that one, two, or three might be used as occasion ...
Società astronomica italiana, 1894
8
Memorie della Società astronomica italiana - 第 22 巻 - 204 ページ
It would probably be advisable to have a set of three prisms for a spectro-helio- graph, so that one, two, or three might be used as occasion required. The method of forming a magnified image of the second slit on the photographic plate, which ...
Società astronomica italiana, 1894
9
Essential Astrophysics - 159 ページ
One instrument used to make and record such a spectrum is called a spectroheliograph, a composite word consisting of spectro for ''spectrum,'' helio for the ''Sun,'' and graph for ''record'' (Fig. 6.3). It uses the K. R. Lang, Essential Astrophysics ...
10
Scribner's Magazine - 第 71 巻 - 833 ページ
... degree of Doctor of Science at Harvard last commencement, was acutely characterized as an " astronomer famous in two worlds, whose spectro-helio- graph has recorded light of the sun too strong and of the stars too faint for human sight.
Robert Bridges, Alfred Dashiell, Harlan Logan, 1922
