antiquity of the latter, they are in excellent preservation; but we frequently find the former, though of more modern date, so much defaced that they are scarcely legible.
"Inks are of various sorts, as—encaustic or varnish, Indian ink, gold and silver, purple, black, red, green, and various other colors. There were also secret and sympathetic Inks.
"The Ink used by the ancients had nothing in common with ours, but the color and gum. Gall-nuts, copperas and gum make up the composition of our Ink; whereas soot, or ivory-black, was the chief ingredient in that of the ancients; so that very old charters might be suspected, if written with Ink entirely similar to what we use; but the most acute and delicate discernment is necessary in this matter; for some of the [black] Inks formerly used were liable to fade and decay, and are found to have turned red, yellow or pale. Those imperfections are however rare in manuscripts prior to the tenth century.
"There is a method of reviving the writing; but this expedient should not be hazarded, lest a suspicion of deceit may arise, and the support depended on [be] lost.
"Golden Ink was used by various nations, as may be seen in several libraries, and in the archives of churches. Silver
