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
Great and Small Temples of Abu Simbel is roughly on an East-West axis. However, it is slightly off this axis in order to accommodate for this phenomenon. For about twenty minutes every February 22 and October 22, the sun shined through the temple to light up the statues of the gods in the sanctuaries. Some people suggest that these dates correspond to the birth and coronation of Ramesses II. The Small Temple at Abu Simbel was dedicated to the goddess Hathor of Ibshek, the ancient name for an area in present-day Sudan more commonly called Faras (although it is now submerged under Lake Nasser). The Small Temple