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
Abu Simbel temples There are depictions of Ramesses and Nefertari with the sacred boats of Amun and Ra-Harakhti. This hall gives access to a transverse vestibule in the middle of which is the entrance to the sanctuary. Here, on a black wall, are rock cut sculptures of four seated figures: Ra-Horakhty, the deified king Ramesses, and the gods Amun Ra and Ptah. Ra-Horakhty, Amun Ra and Ptah were the main divinities in that period and their cult centers were at Heliopolis, Thebes and Memphis respectively. It is believed that the axis of the temple was positioned by the ancient Egyptian architects in such