The Revd. Mr. Croker’s most humble Respects attend his Excellency Dr. Franklin, begs to know when he may be permitted to wait on him and have the honour of one quarter of an hour’s Conversation a mechanic power, which he is inform’d his Excellence has employed with great effect: Mr. Croker was Reader of the Temple Church in 1761 and waited on Dr. Franklin with his Treatise on Magnetism and shew’d several Experiments in that Branch of Natural Philosophy. At H: Lymes’s the Care of B. H. Philips