You might like Left Right Lecture Diagram 19: Conic and Cylindrical Sections (after Thomas Malton Senior) Joseph Mallord William Turner c.1810 Lecture Diagram 50: Doric Entablature in Perspective (after Thomas Malton Senior) Joseph Mallord William Turner c.1810 Lecture Diagram 61: A Cube with Shadow Joseph Mallord William Turner c.1810–11 Lecture Diagram 62: Various Forms with Shadows Joseph Mallord William Turner c.1810 Lecture Diagram 63: Various Forms with Shadows Joseph Mallord William Turner c.1810 Lecture Diagram 64: Various Forms with Shadows Joseph Mallord William Turner c.1810 Lecture Diagram 66: Interior of a Prison (after Giovanni Battista Piranesi) Joseph Mallord William Turner c.1810 Lecture Diagram 67/68: Stone Recess with Shadows Joseph Mallord William Turner c.1810 Lecture Diagram 69: Stone Recess with Shadows Joseph Mallord William Turner c.1810 Lecture Diagram 70: A Ruined Amphitheatre Joseph Mallord William Turner c.1810 Lecture Diagram 71: Cupola of a Building Joseph Mallord William Turner c.1810 Lecture Diagram 75: Interior of a Prison Joseph Mallord William Turner c.1810