"Table II. Ephemeris of Mars and its stars of comparison, during the opposition of the planet, in 1849 & 1852."

Extract of a larger, unknown publication. N.p.,: n.d.. 4to. (21)-32 pp. 2 folding plates. Dis-bound; extremities chipped and brittle. AS IS. U.S. Naval Lieutenant James Gilliss led an expedition to South America from 1849 to 1852 to observe Venus and Mars in order to secure a new determination of the solar parallax. To this end, Gilliss established a southern observatory in Santiago, Chile and made important observations of the stars and planets from the southern hemisphere. DAB, VII, pp. 292-293. (Inventory #: S6348) (truncated)