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Observations at the observatory, at the Girard College, Philadelphia

Bache, A. D. (Alexander Dallas), 1806-1867

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Notes

  • Issued by Girard College, Philadelphia, Penn., Magnetic and Meteorological Observatory, 1840-45.
  • "Printed by order of the Senate of the United States, and under the direction of the Topographical Bureau."
  • Sabin no. 56465.