Starting in December 1930, Mr. Bertram Thomas made the crossing of the Rub1' al Khali, the desert region of Arabia lying between the mountains of the south coast and the Persian Gulf. Never before had this desert been crossed by any European, and probably rarely even by Arabs. The material collected on this expedition has been presented by Mr. Thomas for preservation in the British Museum. On January 14, 1931, he was at Buwah, in the region of Suwahib (lat. 20° 3' 20" N., long. 51° 25' E.), and near here one of his Arab escort picked up and brought to Mr. Thomas what the latter at once supposed to be a meteoric stone. The Arabs called it 'Guthr al Hadid' meaning 'drop of iron'. Read more (PDF)