The only engine house in Cornwall to have a castellated stack! Wheal Ellen was in operation in the 1850’s and could have been a re-working of Carrallack and Bosavern 1852-3 and Kelynack (probably equivalent to Wheal Fatt) 1901 (1)
(1) Noall, C, 1973, The St Just Mining District, Monograph on Mining History No 5, 95 (Bibliographic reference). Heritage Gateway