The ancients were as curious as ourselves in having their books richly conditioned. Propertius describes tablets with gold borders, and Ovid notices their red titles; but in later times, besides the tint of purple with which they tinged their vellum, and the liquid gold which they employed for their ink, they inlaid their covers with precious stones: and I have seen, in the library at Triers or Treves, a manuscript, the donation of some princess to a monastery, studded with heads wrought in fine cameos.[12] In the early ages of the church they painted on the outside commonly a dying Christ. In the curious library of Mr. Douce is a Psalter, supposed once to have appertained to Charlemagne; the vellum is purple, and the letters gold. The Eastern nations likewise tinged their MSS. with different colours and decorations. Astle possessed Arabian MSS. of which some leaves were of a deep yellow, and others of a lilac colour. Sir William Jones describes an oriental MS. in which the name of Mohammed was fancifully adorned with a garland of tulips and carnations, painted in the brightest colours. The favourite works of the Persians are written on fine silky paper, the ground of which is often powdered with gold or silver dust; the leaves are frequently illuminated, and the whole book is sometimes perfumed with essence of roses, or sandal wood. The Romans had several sorts of paper, for which they had as many different names; one was the _Charta Augusta_, in compliment to the emperor; another _Livinia_, named after the empress. There was a _Charta blanca_, which obtained its title from its beautiful whiteness, and which we appear to have retained by applying it to a blank sheet of paper which is only signed, _Charte Blanche_. They had also a _Charta nigra_, painted black, and the letters were in white or other colours. Our present paper surpasses all other materials for ease and convenience of writing. The first paper-mill in England was erected at Dartford, by a German, in 1588, who was knighted by Elizabeth; but it was not before 1713 that one Thomas Watkins, a stationer, brought the art of paper-making to any perfection, and to the industry of this individual we owe the origin of our numerous paper-mills. France had hitherto supplied England and Holland.