Description: Construction drawing for Wrights Hill Fortress, 1942/43

Reference: None, from personal collection

Copyright status: No known copyright

Description: Construction drawing for Wrights Hill Fortress gunpits, 1943

Reference: None, from personal collection

Copyright status: No known copyright

Description: General layout of cartridge store, 1943

Reference: From personal collection

Copyright status: No known copyright

Description: General layout of engine room and oil store, 1944

Reference: From personal collection

Copyright status: No known copyright