1To Benjamin Franklin from Sir John Pringle, [December 1773?] (Franklin Papers)
AL : Historical Society of Pennsylvania Dr. Pringle’s Compliments to Dr. Franklin and if he is to be at home this evening and at leisure Dr. P. will wait upon him and play at chess. Mean while Dr. P. returns Dr. F. the French letter which he was to shew to C. Castries [?]. He sends him a small piece upon Electricity, sometime ago sent to Dr. P. from Germany, but which Dr. P. has not yet...