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 On the south and the north walls of this chamber there are two graceful and poetic bas-reliefs of the king and his consort presenting papyrus plants to Hathor, who is depicted as a cow on a boat sailing in a thicket of papyri. On the west wall, Ramesses II and Nefertari are depicted making offerings to god Horus and the divinities of the Cataracts — Satis, Anubis and Khnum. The rock cut sanctuary and the two side chambers are connected to the transverse vestibule and are aligned with the axis of the temple. The bas-reliefs on the side walls of