1.

図書
図書
1. Observations made with the Cookson floating zenith telescope in the years 1927-1936 at the Royal Observatory, Greenwich and the determination of the variation of latitude and the constant of nutation from observations in the years 1911-1936
under the direction of H. Spencer Jones
出版情報: London : His Majesty's Stationery Office, 1939
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2.

図書
図書
2. Proper motions of stars in the zone catalogue of 20,843 stars 1900 : zones -40° to -50° derived from photographs taken at the Royal Observatory, Cape of Good Hope
under the directions of H. Spencer Jones and J. Jackson
出版情報: London : H.M.S.O., 1936
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