Théodule Devéria help Mariette read inscriptions in Cairo and its surroundings. He tried to accurately document the archaeological sites using drawings, stampings and photographs. His calotype pictures from this trip are often poor in quality, showing a lack of technical skills. In 1860 he was appointed preserving assistant at the Louvre's Department of Egyptology. He revisited Egypt in 1861–62, traveling up the Nile to Philae at the First Cataract, and into Nubia to the Abu Simbel temples. After returning he helped Mariette prepare descriptions of the excavation in Egypt in 1850–54 for publication. In November 1864 Devéria met the future oriental scholar
Romanian air tours over Africa Philae Island, and hedgehopped over the temples of Ramesses II and Nefertari at Abu Simbel. They entered Sudan and stopped at the customs point of Wadi Halfa. They flew over the second cataract, then cut the meander of the Nile through the desert, along the Wadi Halfa– Abu Hamad railway line up to Railway Station No. 6, where they overnighted. The following day they flew over the fifth cataract, Atbara, and after the sixth cataract they reached Khartum, where they stayed for two days as the engine of Pantazi's aircraft needed overhauling. After a short stage to Kosti, they reached