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The solar parallax and its related constants : including the figure and density of the earth / by Wm. Harkness. ([United States. Naval Observatory] Washington observations for 1885. Appendix 3)

The solar parallax and its related constants : including the figure and density of the earth / by Wm. Harkness. ([United States. Naval Observatory] Washington observations for 1885. Appendix 3)
Paper図書
G.P.O.1891.<特2-0784>
National Diet Library
  • Author HeadingHarkness, William, 1837-1903.

Report on the difference of longitude between Washington and St. Louis / by William Harkness. (Washington observations for 1870. Appendix ; 1)

Report on the difference of longitude between Washington and St. Louis / by William Harkness. (Washington observations for 1870. Appendix ; 1)
Paper図書
G.P.O.1872.<50-22>
National Diet Library
  • Author HeadingHarkness, William, 1837-1903.

Reports on observations of Encke's comet during its return in 1871. By Asaph Hall and Wm. Harkness ... Prepared at the U.S. Naval Observatory by order of Rear-Admiral B.F. Sands, U.S.N., superintendent.

Reports on observations of Encke's comet during its return in 1871. By Asaph Hall and Wm. Harkness ... Prepared at the U.S. Naval Observatory by order of Rear-Admiral B.F. Sands, U.S.N., superintendent.
Paper図書
Govt. Print. Off.1872.<50-21>
National Diet Library
  • Author HeadingHall, Asaph, 1829-1907. Harkness, William, 1837-1903.

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