On the American monitors, almost everything else on the deck was detachable and stowed below when clearing for action. T is included the unusual skylights that taper outwards from the base to increase the glazed area and the cowl ventilators (the
openings leſt by the removal of these fi ttings were sealed with plates to keep out water and shot). Even the bollards were detachable so that they would not become shot traps. T e Russian monitors duplicated this distinctive feature. I made most of these from