Westerton Folly, Bishop Auckland, Durham
This observatory tower dates from 1765. It was used at one time as a reading room and by 1924 as council offices. There is a commemorative plaque to the left of the door, "This observatory tower was erected by Thomas Wright born at Byers Green 1711 died there 1786. To commemorate his treatise THEORY OF THE UNIVERSE published 1750, this tablet was placed here by the University of Durham 1950."
