Discussion of the magnetic and meteorological observations made at the Girard College Observatory, Philadelphia
Subtitle: in 1840, 1841, 1842, 1843, 1844, and 1845.
By: By A. D. Bache.
Contributors: Schott, Charles A. 1826-1901.; Girard College. Magnetic and Meteorological Observatory.
Series: Smithsonian contributions to knowledge -- [vol. XI, art. 4; vol. XIII, art. 5, 6, 7; vol. XIV, art. 2, 3]; Smithsonian Institution publication -- 113, 121, 132, 162, 175, 186; Publication (Smithsonian Institution) -- 113, 121, 132, 162, 175, 186.
Publisher: Smithsonian Institution
Published: 1859
Place of publication: [Washington
Subjects: Geomagnetism -- Observations
Genres: Observations.