1.

雑誌
雑誌
1. Astronomical and magnetical and meteorological observations made at the Royal Observatory, Greenwich, in the year ...
Royal Greenwich Observatory
出版情報: London : H.M.S.O.
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2.

図書
図書
2. Photographic magnitudes of stars brighter than 9m.O between declination 75 and the pole
Royal Greenwich Observatory
出版情報: Lond. : H. M. stat.off., 1913
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3.

図書
図書
3. Position of the sun's axis, as determined from phootographs of the sun taken inthe years 1874 to 1912 and measured at the Royal Observatory, Greenwich
Royal Greenwich Observatory
出版情報: Lond : H. M. Stat. off., 1913
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