• publisher: Washington, Gales and Seaton, Printers
  • creator: Girard College. Magnetic and Meteorological Observatory Bache, A. D. (Alexander Dallas), 1806-1867 United States. Army. Corps of Engineers
  • contributor: Bache, A. D. (Alexander Dallas), 1806-1867. United States. Army. Corps of Engineers.
  • Keyword: Meteorology Pennsylvania Philadelphia. Geomagnetism Observations.
  • years: 1847.
  • pages: 1 v. in 3.
  • class: QC802
  • notes: Paged continuously.
  • download: pdf file