Dinwiddie, James2009-07-212009-07-212009-07-21http://hdl.handle.net/10222/11695These lecture notes written by James Dinwiddie in 1783 (?) note various astronomical systems including the Ptolemaic and Copernican as well as Kepler's, Newton's, and Descartes' theories on planetary motion. The file consists of four pages of notes.en1783Lecture notesJames DinwiddieCopernican SystemJohannes KeplerIsaac NewtonRene DescartesPtolemyPtolemaic SystemAstronomyNicolas CopernicusText