Normah Lockyer Observatory, Salcombe Hill, Sidmouth, Devon
The Kensington dome at the Norman Lockyer Observatory was built around 1912. It is 6m in diameter and built of concrete blocks. The dome is made from aluminium. It was made to contain twin equatorial 225mm refractors built by Thomas Cooke for Sir (Joseph) Norman Lockyer. They were to be used for research work on the spectra of novas.