Cornell Evans, Ryo Nishimi, John Marshall, by Ploskonka, Jeffrey, 1982, Smithsonian Archives - History Div, Cornell Evans, Ryo Nishiumi and John Marshall with paulownia wood they use to make storage boxes for the Freer Gallery of Art's Oriental Scrolls. The boxes must be technically perfect to ensure an effective seal against humidity. The craftsmen also use the paulownia to make "futomaki" - a special type of protective roller - which must be custom fit for each scroll to prevent the delicate paper or silk from becoming creased..