1To Benjamin Franklin from the Marquis de Ponçins, with Franklin’s Note for a Reply, 12 February 1785 (Franklin Papers)
(Lyon and Paris, 1779), which included, at the end, letters of acknowledgment and appreciation from King Frederick of Prussia and French ministers Vergennes, Sartine, and Maurepas.’s answer to Pongins, dated Sept. 11, was altogether discouraging: