974 resultados para Refraction, Astronomical.
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Vols. for 1853-1860 not issued except in a combined vol. with title: Results of observations made at the United States Naval Observatory with the transit instrument and mural circle.
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Mode of access: Internet.
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List of quarto publications, exclusive of the Annals, made by the officers of the Observatory from 1877 to 1896, with references to the work of the Blue Hill Observatory from 1885 to 1895: volume 30, pages 3-8.
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Mode of access: Internet.
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Mode of access: Internet.
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Publication suspended 1923-36 and 1940-48.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Issues designated variously as pt. and no.
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Description based on: 36th, 1882.
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Mode of access: Internet.