You might like Left Right Inscription by Turner: Notes on Perspective, from Giovanni Paolo Lomazzo Joseph Mallord William Turner c.1809 Diagram: Objects above, level with and below the Eye, after Giovanni Paolo Lomazzo Joseph Mallord William Turner c.1809 Inscription by Turner: Notes on Proportion and Perspective, from Giovanni Paolo Lomazzo Joseph Mallord William Turner c.1809 Inscription by Turner: Notes on Proportion and Perspective, from Giovanni Paolo Lomazzo Joseph Mallord William Turner c.1809 Lecture Diagram 12: Parallel Lines with a Series of Converging Lines (?after Samuel Wale) Joseph Mallord William Turner c.1810 Lecture Diagram 22: Geometry of the Parabola (after John Hamilton) Joseph Mallord William Turner c.1810 Lecture Diagram 22: Geometry of a Parabola (after John Hamilton) Joseph Mallord William Turner c.1810 Lecture Diagram 23: Geometry of a Parabola (after William Emerson or John Hamilton) Joseph Mallord William Turner c.1810 Lecture Diagram 27: Perspective Method for a Cube (after Jean Pélerin) Joseph Mallord William Turner c.1810 Lecture Diagram 30: Perspective Method for a Cube (after Samuel Marolois and Jean-François Niceron) Joseph Mallord William Turner c.1810 Lecture Diagram 32: Perspective Method for a Cube (after Pietro Accolti) Joseph Mallord William Turner c.1810 Lecture Diagram 33: Perspective Method for a Cube (after Jacopo Vignola) Joseph Mallord William Turner c.1810