Imitations of original designs by Leonardo da Vinci [electronic resource] : Consisting of various drawings of single figures, heads, compositions, horses, and other animals: optics, perspective, gunnery, hydraulics, mechanics; and in particular of very accurate delineations, with a most spirited pen, of a variety of anatomical subjects: In His Majestys collection. Published by John Chamberlaine, keeper of the king's drawings and medals. and F.S.A.