To Benjamin Vaughan
ALS: Yale University Library
Passy, Augt. 22. 1783
This Line will be presented to you by a very ingenious Gentleman, M. Kempel,3 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 & Affection, My dear Friend, Yours most truly
Mr. B. Vaughan
3. See Kempelen to BF, May 28, and BF to Graf von Brühl, Aug. 22.