An ephemeris of the planet Neptune for the year 1851Sears Cook Walker · First published 1978Open the Tome
An ephemeris of the planet Neptune for the year 1852Sears Cook Walker · First published 1978Open the Tome
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 institutionSears Cook Walker · First published 1851Open the Tome
An ephemeris of the planet Neptune ... [1846]-1852Sears Cook Walker · First published 1849Open the Tome
Letter of Secretary of the Treasury, communicating a report by the Superintendent of the Coast surveySears Cook Walker, A. D. Bache, U.S. Coast and Geodetic Survey, United States. Department of the Treasury · First published 1849Open the Tome
Ephemerides of Neptune, for the position of 1848Sears Cook Walker · First published 1848Open the Tome
Observations of Encke's comet, at the High school observatory, Philadelphia, March and April 1842, with the Fraunhofer equatorialSears Cook Walker · First published 1843Open the Tome
Researches concerning the periodical meteors of August and NovemberSears Cook Walker · First published 1843Open the Tome
A treatise on astronomyJohn Frederick William Herschel, Sears Cook Walker · First published 1842Open the Tome
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 TalcottSears Cook Walker · First published 1839Open the Tome
An investigation of a formula for calculating the transfer of water from one level to another by the lockage of boats in canalsSears Cook Walker · First published 1833Open the Tome
