You might like Left Right Perspective Diagrams, after Salomon de Caus Joseph Mallord William Turner c.1809 Diagrams of Harmonic Proportions, after John Hamilton Joseph Mallord William Turner c.1809 Diagram of the Geometry of a Parabola, after John Hamilton Joseph Mallord William Turner c.1809 Perspective Diagrams, after Pietro Accolti 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 13: Objects Above, Level with and Below the Eye (after Giovanni Paolo Lomazzo and Joseph Moxon) 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 31: Perspective Method for a Cube (after Jan Vredeman de Vries) Joseph Mallord William Turner c.1810 Lecture Diagram 33: Perspective Method for a Cube (after Jacopo Vignola) Joseph Mallord William Turner c.1810