| Description | View of open trench with multiple mains; legend "The right-hand main is a new connection for the 24in High Pressure Formby main passing over the new connection for the 27in Low Pressure Bootle Main. In the background is the 24in main coming out of the Litherland and Walton governor on to a cross and then on to the 18in Walton main which runs from left to right in the background"; Ref M116; dated 3 August 1946 |