Scale: Unknown. A model of a section of a ship's hull showing a gunport and the method for securing it made entirely in wood with metal fittings and painted in realistic colours. The hull is painted black with a broad white stripe along the gundeck. The inboard hull, and framing are painted a uniform white. The gunport lid opens upwards on two hinges and can be secured in the closed position by a horizontal brass bar which is connected to two hooks that can be tightened with ring bolts.