Whitehurst & Son sundial (1812)
The Whitehurst family was known in Derby as skillful mechanics. John Whitehurst (1713–1788) was born in Congleton, but came to Derby where he became a watch and clock maker. He moved to London to assume the post of Inspector of Weights. His nephew continued the business under the name of Whitehurst & Son. The family business was known for their turret clocks.