Discussion of the magnetic and meteorological observations made at the Girard College Observatory, Philadelphia, in 1840, 1841, 1842, 1843, 1844, and 1845.
Bache, A. D. 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.
s 13000049
Geomagnetism--Observations.
Q11 / .S68 v. 11, 13, 14
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.
s 13000049
Geomagnetism--Observations.
Q11 / .S68 v. 11, 13, 14