Bound with Newcomb, S. Formulae and tables for expressing corrections to the geocentric place of a planet in terms of symbolic corrections to the elements of the orbits of the Earth and planet [Washington, 1891], Safford, T.H. Investigation of corrections to the Greenwich planetary observations, from 1762 to 1830. [Washington, 1891], Newcomb, S. Measures of the velocity of light made ... during the years 1880-'82. [Washington, 1891], Michelson, A.A. Supplementary measures of the velocities of white and colored light in air, water, and carbon disulphide. [Washington, 1891], and Newcomb, S. Discussion of observations of the transits of Venus in 1761 and 1769. [Washington, 1891].