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 of the Geometry of a Parabola, after John Hamilton 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 Perspective Method for a Circle, after Guidobaldo del Monte 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 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 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 Diagrams of a Cube in Perspective and a Pantograph, from an Unidentified Source Joseph Mallord William Turner c.1809 Lecture Diagram 13: Objects Above, Level with and Below the Eye (after Giovanni Paolo Lomazzo and Joseph Moxon) Joseph Mallord William Turner c.1810