1From Benjamin Franklin to Benjamin Vaughan, 22 August 1783 (Franklin Papers)
ALS : Yale University Library This Line will be presented to you by a very ingenious Gentleman, M. Kempel, inventor of the Automaton that plays at Chess. He has other Inventions in Mechanics of a more useful Nature, which he has Thoughts of communicating in England, if he can meet with Encouragement. I beg leave to recommend him to your Civilities & Counsels, and am ever, with sincere Esteem &...