In 1854 she married John Intaglio Donlevy (d.
Edgar (A.D.960), an intaglio gem.
A copper plate having been coated with wax, outline and ornament are cut into the wax, the lettering is impressed with type, and the intaglio thus produced is electrotyped.
One of the oldest matrices is an intaglio in rock crystal, now preserved at Aix-la-Chapelle, bearing a portrait head of Lothair II., king of Lorraine (A.D.
He also made with great taste and skill large lustres and mirrors with frames of glass ornamented either in intaglio or with foliage of various colours.
On a Persian intaglio are two sphinxes face to face, each wearing a tiara and guarding a sacred plant which is seen between them; but the sphinx, whether of the Egyptian or the Assyrian type, is not found in Persian sculptures (Perrot and Chipiez, History of Art in Persia, Eng.