You might like Left Right Notes on Reflection and Refraction, for Perspective Lectures (Inscription by Turner) Joseph Mallord William Turner c.1808 Inscription by Turner: Draft of a Tribute to Sir Joshua Reynolds for a Perspective Lecture Joseph Mallord William Turner c.1808–11 Inscription by Turner: Draft of a Perspective Lecture or Speech Joseph Mallord William Turner c.1808–11 Inscription by Turner: Draft of a Perspective Lecture or Speech Joseph Mallord William Turner c.1808–11 Inscription by Turner: Draft of a Perspective Lecture or Speech Joseph Mallord William Turner c.1808–11 Lecture Diagram: Perspective Method for a Cube Joseph Mallord William Turner c.1816–28 Lecture Diagram: Perspective Method for a Cube Joseph Mallord William Turner c.1816–28 Lecture Diagram: Anamorphic Perspective Joseph Mallord William Turner c.1817–28 Lecture Diagram: Perspective Representation of a Triangle Joseph Mallord William Turner c.1810–28 Lecture Diagram 36: A House in Perspective Joseph Mallord William Turner c.1810 Lecture Diagram: Anamorphic Perspective Joseph Mallord William Turner c.1817–28 Lecture Diagram: Anamorphic Perspective Joseph Mallord William Turner c.1817–28