Books by Sears Cook Walker
An ephemeris of the planet Nep
An ephemeris of the planet Neptune for the date of the Lalande observations of May 8th and 10th, 1795, and for the oppositions of 1846, 1847, 1848, and 1849, computed for the Smithsonian institution
An ephemeris of the planet Nep
An ephemeris of the planet Neptune for the year 1851
An ephemeris of the planet Nep
An ephemeris of the planet Neptune for the year 1852
An ephemeris of the planet Nep
An ephemeris of the planet Neptune ... [1846]-1852
Letter of Secretary of the Tre
Letter of Secretary of the Treasury, communicating a report by the Superintendent of the Coast survey
Researches relative to the pla
Researches relative to the planet Neptune
Ephemerides of Neptune, for th
Ephemerides of Neptune, for the position of 1848
Observations of Encke's comet,
Observations of Encke's comet, at the High school observatory, Philadelphia, March and April 1842, with the Fraunhofer equatorial
Researches concerning the periodical meteors of August and November
Determination of the longitude of several stations near the northern boundary of Ohio, from transits of the moon, and moon-culminating stars, observed in 1835, by Andrew Talcott
An investigation of a formula
An investigation of a formula for calculating the transfer of water from one level to another by the lockage of boats in canals