Title: A catalogue of the genuine and most curious collection of sardonyx's, onyx's, opals, garnets, agates, porphyrys, and other Oriental stones; antique cameo's and intaglia's in rings, pictures, and miniatures; curious mathematical and optical instruments, and other valuable effects, belonging to Robert Hughes, consul general for the Dutch and agent for the English at Grand Cairo in Egypt
Subjects: Catalogs, Scientific apparatus collections, Catalogs and collections, Antiquities, Early works to 1800, Art collections, Natural history collections, Precious stones
Places: Egypt, Ethiopia, Arabian Peninsula
People: Robert Hughes active 1738-1770