In some cases the originals have been brought to Europe, in other cases only squeezes of the inscriptions.
All stones must be beaten down into their beds until the mortar squeezes up into the joints around them.
At the end of 1845 they returned home, and the results of the expedition, consisting of casts, drawings and squeezes of inscriptions and scenes, maps and plans collected with the utmost thoroughness, as well as antiquities and papyri, far surpassed expectations.
Its labors embraced not only Egypt and Nubia (as far as Khartum) but also the Egyptian monuments in Sinai and Syria; its immense harvest of material is of the highest value, the new device of taking paper impressions or squeezes giving Lepsius a great advantage over his predecessors, similar to that which was later conferred by the photographic camera.
His earnestness attracted the attention of Sir Henry Rawlinson, who permitted him the use of his room at the museum and placed the many casts and squeezes of the inscriptions at his disposal.