Manuscripts were produced on vellum and other parchment, on papyrus, and on paper. Fine calfskin is one of the skins used for vellum and parchment manuscripts. Sheets of parchment or vellum were cut down to the appropriate size. The writing was washed from parchment or vellum using milk and oat bran. Drawings were made on vellum, coated linen, and tracing paper. Parchment (vellum) was a common way to produce manuscripts. He is attributed with the revival of gilding with gesso and gold leaf on vellum. It cuts a wider range of materials, including vellum, fabric, chipboard, vinyl, and thin foils. Other supports include papyrus, bark papers, plastics, vellum, leather, fabric, wood and canvas. About 180 copies were printed, most on paper and some on vellum. They drew with exquisite detail and great effect on paper or vellum. Codex Vaticanus comprises a single quarto volume containing 759 thin and delicate vellum leaves. Terms include&colon; paper vellum, Japanese vellum, and vegetable vellum. Simple NUV sources can be used to highlight faded iron-based ink on vellum. The manuscript measures , with hundreds of vellum pages collected into 18 quires.