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Observations at the Magnetic and Meteorological Observatory, at the Girard College, Philadelphia
Girard College. Magnetic and Meteorological Observatory. · Gales and Seaton, Printers
Sayfa sayısı yok · 1847
Geomagnetism / Meteorology / Observations
Observations at the Magnetic and Meteorological Observatory at the Girard College, Philadelphia, 1840-1845
Girard College Philadelphia. Magnetic and Meteorological Observatory · Gales and Seaton, printer
Sayfa sayısı yok · 1847
Magnetism, Terrestrial / Meteorology / Observations / Pennsylvania / Philadelphia