Copy letter from Martin Folkes, Rome, to Hans Sloane ' Recommending Monsignor Leprotti first Physician and Camerier Secreto to the Pope, and Reverend Father Revillas, Prior of St Alexius upon Mount Aventine, and Professor of Philosophy, as Candidates for election unto the Royal Society. ' Read at the RoyalSociety on 7 February 1733/1734 28 January 1734