Navvies Constructing the Fort

Constructed as part of the London Defence Scheme, the fort at Knockholt (also known as the Polhill Fort and latterly Fort Halstead) was part of an extensive earthwork defensive system constructed on the North Downs. There were a total of…

Handbook for the London Defence Positions

“The object of this book is to enable the officers concerned to become acquainted in as short a time as possible with the proposed arrangements for resisting an invasion on the line of the London Defence Positions, so that they…