Kirjat George Ellery Hale
The Spectra Of Stars Of Secchis Fourth Type (1908)
Ferdinand Ellerman, George Ellery Hale, John Adelbert Parkhurst
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National Academies and the Progress of Research;
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A National Focus of Science and Research
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The Spectrum of the High Potential Discharge Between Metallic Electrodes in Liquids and in Gases at High Pressures
Norton Adams Kent, George Ellery Hale
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The Study of Stellar Evolution: An Account of Some Recent Methods of Astrophysical Research
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Photography of the Solar Prominences
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Photography of the Solar Prominences
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The Study of Stellar Evolution: An Account of Some Recent Methods of Astrophysical Research
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Ten Years' Work of a Mountain Observatory: A Brief Account of the Mount Wilson Solar Observatory of the Carnegie Institution of Washington
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Ten Years' Work of a Mountain Observatory: A Brief Account of the Mount Wilson Solar Observatory of the Carnegie Institution of Washington
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The Rumford Spectroheliograph of the Yerkes Observatory
Ferdinand Ellerman, George Ellery Hale
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The Rotation Period of the sun as Determined From the Motion of the Calcium Flocculi
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The Rotation Period of the sun as Determined From the Motion of the Calcium Flocculi
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The Rumford Spectroheliograph of the Yerkes Observatory
Ferdinand Ellerman, George Ellery Hale
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Ten Years' Work Of A Mountain Observatory: A Brief Account Of The Mount Wilson Solar Observatory Of The Carnegie Institution Of Washington (1915)
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The National Importance Of Scientific And Industrial Research, Issues 1-8
Elihu Root, George Ellery Hale
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The National Importance Of Scientific And Industrial Research, Issues 1-8
Elihu Root, George Ellery Hale
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The Study Of Stellar Evolution: An Account Of Some Recent Methods Of Astrophysical Research (1908)
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Ten Years' Work Of A Mountain Observatory: A Brief Account Of The Mount Wilson Solar Observatory Of The Carnegie Institution Of Washington (1915)
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Ten Years' Work Of A Mountain Observatory: A Brief Account Of The Mount Wilson Solar Observatory Of The Carnegie Institution Of Washington (1915)
-25% koodilla BOOKS
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The Study Of Stellar Evolution: An Account Of Some Recent Methods Of Astrophysical Research (1908)
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The Rotation Period Of The Sun As Determined From The Motion Of The Calcium Flocculi (1908)
George Ellery Hale, Philip Fox
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