1To James Madison from Dayton Leonard, 21 December 1810 (Abstract) (Madison Papers)
21 December 1810, Tompkins, Delaware County, New York. “I have been sick these twenty one years Just so much strength as to be able to keep a bout and ride a bout but unable to do any labour and always very uncomfortable.” Describes his plan for a perpetual motion machine conceived of in 1800. “I do now request you sir to use your influence to obtain some money of congress and for the world’s...