Untitled, known as A Philosopher Giving that Lecture on the Orrery, in which a Lamp is put in place of the Sun or The Orrery, Joseph Wright of Derby, circa 1766

A public lecture about a model solar system, with a lamp—in place of the sun—illuminating the faces of the audience. Object Type: painting. Genre: conversation piece. Date: circa 1766. Dimensions: height: 147.2 cm (57.9 in) ; width: 203.2 cm (80 in). Medium: oil on canvas. Collection: Derby Museum and Art Gallery. Wright of Derby, The Orrery