You might like Left Right Diagram of a Perspective Method for a Tuscan Capital, after Lorenzo Sirigatti Joseph Mallord William Turner c.1809 Diagram of an Open Cube in Perspective, after Heinrich Lautensack Joseph Mallord William Turner c.1809 Diagrams of a Cube in Perspective and a Pantograph, from an Unidentified Source Joseph Mallord William Turner c.1809 Lecture Diagram 40*: Perspective Method for a Circle (after Thomas Malton Senior) Joseph Mallord William Turner c.1810 Perspective Study of a Tuscan Column Joseph Mallord William Turner c.1810 Lecture Diagram 42: Perspective Construction of a Tuscan Entablature Joseph Mallord William Turner c.1810 Perspective Study of a Doric Entablature Joseph Mallord William Turner c.1810 Lecture Diagram 51: Perspective Construction of a Doric Entablature (after Thomas Malton Senior) Joseph Mallord William Turner c.1810 Tracing of a Perspective Construction of a Tuscan Entablature Joseph Mallord William Turner c.1810 Lecture Diagram 56: Tuscan Entablature in Perspective Joseph Mallord William Turner c.1810 Lecture Diagram 73 : Entablature Joseph Mallord William Turner c.1810 Perspective Study of a Cross on a Cube Joseph Mallord William Turner c.1810