Roger Bacon.A crescent moon; being bitten by a large brown dragon; beneath; standing on a winged mappa mundi -style orb upon which droplets of blood are falling from the dragon's belly. - verses; in four stanzas. - a waving male figure in peasant dress; holding a staff with a blade at one end a shod hoof at the other. - an inscription: 鈥楾his long Rolle was Draurne for me in Cullers At Lubeck in Germany Anno 1588'.late 16th century.From: Roger Bacon; Alchemical rolls (The Ripley Scrolls).Add. 5025 Bottom of scrollLondon; British Library.