Half Port
Naval
Ports made in two pieces and hinged top and bottom, so as to open by tricing up the upper one and dropping the lower one. A circular hole is provided in the centre of the shutter so that a length of the gun may project outboard.
Ports made in two pieces and hinged top and bottom, so as to open by tricing up the upper one and dropping the lower one. A circular hole is provided in the centre of the shutter so that a length of the gun may project outboard.