Africa: AFRICA AND THE ARABIAN PENINSULA. Compiled and Drawn in the Cartographic Section of the National Geographic Society for National Geographic Magazine. Gilbert Grosvenor, Editor. Chamberlin Trimetric Projection. Scale 1:12,000,000 or 189.4 miles to the inch. Large folded coloured map, 680 by 750 mm; a very good copy. Washington; National Geographic Society; March, 1950.