01150cam a22002651 4500 s 13000049 DLC 20260227111910.0 780206m18591865dcua f000 0 eng c s 13000049 (OCoLC)3611909 Smithsonian Inst. Library NGenoU NGenoU DLC premarc Q11 .S68 v. 11, 13, 14 Bache, A. D. (Alexander Dallas), 1806-1867. Discussion of the magnetic and meteorological observations made at the Girard College Observatory, Philadelphia, in 1840, 1841, 1842, 1843, 1844, and 1845. By A. D. Bache. [Washington, Smithsonian Institution, 1859-65] 6 v. diagrs. 33 cm. Smithsonian contributions to knowledge. [vol. XI, art. 4; vol. XIII, art. 5, 6, 7; vol. XIV, art. 2, 3] Smithsonian Institution publications 113, 121, 132, 162, 175, 186. Assisted by C. A. Schott. Geomagnetism Observations. Schott, Charles A. (Charles Anthony), 1826-1901. Girard College. Magnetic and Meteorological Observatory. 52621 52621