You might like Left Right Lecture Diagram: Showing Picture-Plane, Position of Spectator, Etc Joseph Mallord William Turner c.1816–28 Lecture Diagram: Geometry of Standard Perspective as the Intersection of the Cone of Vision Joseph Mallord William Turner c.1816–28 Lecture Diagram: A Method for Determining the Height of the Eye when Preparing a Picture Joseph Mallord William Turner c.1818–28 Lecture Diagram: Two Methods for a Cube Joseph Mallord William Turner c.1818–28 Lecture Diagram: An Equilateral Triangle Flat on the Ground, with Sides Parallel to the Picture Joseph Mallord William Turner c.1816–28 Lecture Diagram: Method for Finding Vanishing Points Joseph Mallord William Turner c.1823–8 Lecture Diagram: A Cube with One Side Parallel to the Picture Joseph Mallord William Turner c.1823–8 Lecture Diagram: Method for a Cube Joseph Mallord William Turner c.1818–28 Lecture Diagram: The Nature of Lines, Parallels, Right Lines, Various Angles and a Square Joseph Mallord William Turner c.1817–28 Lecture Diagram: The Reflection and Refraction of Rays of Light Joseph Mallord William Turner c.1817–28 Lecture Diagram: Reflections on Water Joseph Mallord William Turner c.1823–8 Lecture Diagram: Reflections on Water Joseph Mallord William Turner c.1823–8