Imprint derived from the atlas in which this state of the map was issued.; Previous state issued in the 1817 edition of "A New General Atlas"; engraver's name removed and number added.; Numbered 46.; "Drawn and engraved for Thomson's New General Atlas."; Shows boundaries, rivers, deserts, caravan routes and principal settlements.; Relief shown by hachures and shading.; Greenwich meridian. 51 x 60 centimeters Scale [1: 7,000,000] General Map Collection