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  1. Discussion of the magnetic and meteorological observations made at the Girard College Observatory, Philadelphia, in 1840, 1841, 1842, 1843, 1844, and 1845.
    By: Bache, A. D. (Alexander Dallas), - Schott, Charles A. - Girard College. Magnetic and Meteorological Observatory.
    Publication info: Washington,Smithsonian Institution,1859-65
    Holding Institution: University of California Libraries (
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