An authentic copy of a letter, from Thomas Newans to His Grace the Duke of N******. Foretelling The Dangers threatening this Nation, especially London and Westminster. To which are added His predictions of several other Events, particularly, The Convention with Spain, and the ill Success of it. The War between France and Germany. The late intended Invasion in 1743. The present Rebellion and the Issue of it. The Over-Running of Germany and Italy, with the Taking of Rome, by the Persians and Turks, and the Downfal of Popery, in Consequence thereof. The Driving back the Turks, &c. by the Protestants, and the Conversion of the former to the Christian Faith; which will be followed by The Calling of the Jews, their Return to Judea, and the Rebuilding of Jerusalem.