Creator: Leonardo da Vinci (Vinci 1452-Amboise 1519) (artist)
Materials and techniques:
Pen and ink, with coloured washes, and stylus lines, over black chalk
Acquirer: Charles II, King of Great Britain (1630-85)
Bequeathed to Francesco Melzi; from whose heirs purchased by Pompeo Leoni, c.1582-90; Thomas Howard, 2nd Earl of Arundel, by 1630; Probably acquired by Charles II; Royal Collection by 1690
A drawing of a plan of Imola, showing it enclosed by a ring. Four lines cross the plan, forming on the circle eight points of the compass, at which the names of the winds are written in Leonardo's hand, clockwise from one o'clock.