In last Friday’s installment, we discussed some of Mahan’s “simple intrenchments,” specifically the open fortifications commonly used. The other works mentioned by Mahan were “enclosed” fortifications – in the sense that these offered no open gorge lines. And enclosed implied that the plan of the works formed a polygon of some sort. Also keep inContinue reading “Fortification Friday: Plans for simple “intrenchments” – Part 2, Enclosed Redoubts”