Discussion of the Magnetic and Meteorological Observations Made at the Girard College Observatory Philadelphia in 1840 1841 1842 1843 1844 and 1845 Volume v.14 art.2-3

This is a copy of the original book. In this series we are bringing old books back into print using our own state-of-the-art techniques. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way that the author intended. However as we are working with old material so occasionally there may be certain imperfections within the text. We are so pleased to ensure these classics are available again for generations to come.