PROPERTY FROM THE FAMILY OF RICHARD P. FEYNMAN
In March of 1964, Feynman was asked to give a guest lecture to the freshman class at Caltech. The lecture focused on Isaac Newton's geometric demonstration of the law of the ellipses, from the Principia Mathematica. Delivered in Feynman's totally original manner, he included his own proof of Kepler's laws of ellipses, using only plane geometry to do so. The lecture was recorded and transcribed, but was among the few that were not included in the epic three volume set The Feynman Lectures on Physics.
The first page of the manuscript appears to be notes for a lecture on the subject of hydraulic shock, and includes some detailed calculations, while the other five pages are all dedicated to diagrams, calculations, and explanations included in Feynman's lecture on planetary motion. Indeed these notes would appear to be more extensive than those written about in Feynman's Lost Lecture by Goodstein & Goodstein.
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