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  • Jan 13, 1789 

    Ewart, J.S. (2009-07-28)
    One letter to James Dinwiddie from J.S. Ewart dated Jan 13, 1789.
  • Lecture Notes 

    Dinwiddie, James (2009-07-23)
    These notes written by James Dinwiddie examine a number of topics including ballistics, physics, and astronomy. Dinwiddie discusses the retrograde motion of Mars, Mercury, Venus, Saturn, and Jupiter. He also discusses ...
  • Orbits 

    Dinwiddie, James (2009-07-28)
    This notebook begun by James Dinwiddie on January 2, 1776 contains his observations on planetary motion. He notes observations on the orbits of Mercury, Venus, Mars, Jupiter, Saturn, and the moon. This file consists of ...