-wright - A Philosopher Giving That Lecture on the Orrery, in Which a Lamp is Put in Place of the Sun. 1766 (HD) Oil on canvas. 147.3 x 203.2 cm. Derby Art Gallery, Derby, UK -wright - A Philosopher Giving That Lecture on the Orrery, in Which a Lamp is Put in Place of the Sun. 1766 (HD) Oil on canvas. 147.3 x 203.2 cm. Derby Art Gallery, Derby, UK