An ephemeris of the planet Neptune ... [1846]-1852.
Walker, Sears Cook, 1805-1853.
An ephemeris of the planet Neptune ... [1846]-1852. By Sears C. Walker, esq. - Washington, D.C., Gideon and Co., printers [1849-53] - 4 pt. 32 cm. - Smithsonian contributions to knowledge: vol. II, app. I-III; vol. III, app. I Smithsonian Institution publication 5-7, 24. .
s 13000011
Neptune (Planet)
Q11 / .S68 vol. 2
An ephemeris of the planet Neptune ... [1846]-1852. By Sears C. Walker, esq. - Washington, D.C., Gideon and Co., printers [1849-53] - 4 pt. 32 cm. - Smithsonian contributions to knowledge: vol. II, app. I-III; vol. III, app. I Smithsonian Institution publication 5-7, 24. .
s 13000011
Neptune (Planet)
Q11 / .S68 vol. 2