You might like Left Right Diagrams of a Cube and Squares Projected in Perspective, after Salomon de Caus Joseph Mallord William Turner c.1809 Diagrams: A Method of Putting a Cube in Perspective, after Salomon de Caus; with Bibliographical Notes on Perspective Sources Joseph Mallord William Turner c.1809 Diagram Relating to Placing a Square in Perspective, after Viator (Jean Pélerin) Joseph Mallord William Turner c.1809 Diagram of a Quadrilateral Plane in Perspective, Probably after Giulio Troili Joseph Mallord William Turner c.1809 Diagram of a Perspective Method for a Cube, after Pietro Accolti Joseph Mallord William Turner c.1809 Diagram of a Perspective Method for a Tuscan Capital, after Lorenzo Sirigatti Joseph Mallord William Turner c.1809 Inscription by Turner: Notes on Painting in Relation to Poetry; with a Diagram of a Cube in Perspective, after Daniele Barbaro Joseph Mallord William Turner c.1809 Diagram of a Cuboid in Perspective, after Jean Cousin Joseph Mallord William Turner c.1809 Diagram of a Cube in Perspective, after Giulio Troili Joseph Mallord William Turner c.1809 Diagram of an Open Cube in Perspective, after Heinrich Lautensack Joseph Mallord William Turner c.1809 Perspective Diagram, from an Unidentified Source Joseph Mallord William Turner c.1809 Perspective Study of a Cross on a Cube Joseph Mallord William Turner c.1810