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 thought of communicating in England, if he can meet with Encouragement. I beg leave to recommend him to your Civilities and Counsels, and am ever, with sincere Esteem and Affection, My dear Friend, Yours most truly