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Harkness, William, 1837-1903: Observations on Terrestrial Magnetism and on the Deviations of the Compasses of the United States Iron Clad Monadnock During Her Cruise from Philadelphia to San Francisco, in 1865 and 1866 (Smithsonian Contributions to Knowledge #239; 1873) (page images at HathiTrust)Help with reading books -- Report a bad link -- Suggest a new listing
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Harkness, William, 1837-1903: On the flexure of meridian instruments and the means available for eliminating its effects from star places. (Government Printing Office, 1886) (page images at HathiTrust) Harkness, William, 1837-1903: On the progress of science as exemplified in the art of weighing and measuring : being the presidential address delivered before the Washington Philosophical Society, December 10, 1887 : to which are appended some historical notes and a bibliography (Judd & Detweiler, 1888) (page images at HathiTrust) Harkness, William, 1837-1903: Report on the difference of longitude between Washington and Havana (Govt. Print. Off., 1870) (page images at HathiTrust) Harkness, William, 1837-1903: Reports on observations of Encke's comet during its return in 1871. (Govt. Print. Off., 1872), also by Asaph Hall and United States Naval Observatory (page images at HathiTrust) Harkness, William, 1837-1903: The solar parallax and its related constants, including the figure and density of the earth (Govt. Print. Off., 1891) (page images at HathiTrust)See also what's at your library, or elsewhere.
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