Catalogue of Stars within One Degree of the North Pole and Optical Distortion of the Helsingfors Astro-photographic Telescope deduced from Photographic Measures /
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Format: | Book |
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Language: | English |
Published: |
Poughkeepsie :
<<The>> New Era, Lancaster,
1900
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Institution: | National Library of the Czech Republic |
All Items of this Institution: | all items available from National Library of the Czech Republic |
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