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 a Perspective Method for a Cube, after Pietro Accolti Joseph Mallord William Turner c.1809 Diagram of a Cube in Perspective, after Giulio Troili Joseph Mallord William Turner c.1809 Geometrical Diagram, after Heinrich Lautensack Joseph Mallord William Turner c.1809 Geometric Diagrams Joseph Mallord William Turner c.1818–19 Lecture Diagram: Perspective Representation of a Triangle Joseph Mallord William Turner c.1810–28 Lecture Diagram 23: Geometry of a Parabola (after William Emerson or John Hamilton) Joseph Mallord William Turner c.1810 Lecture Diagram 11: Spheres at Different Distances from the Eye (after Thomas Malton Senior) Joseph Mallord William Turner c.1810 Sketches and Diagrams of Fishing Boats at Dieppe Joseph Mallord William Turner 1821 Portsmouth, with the Semaphore Tower; the Waterfront at Portsmouth Joseph Mallord William Turner 1844 The Semaphore Tower at Portsmouth; Boats Joseph Mallord William Turner 1844