A map of Table Bay showing the position of eleven ships before and after the gale, including the position of the five ships that were wrecked, with the changing direction of the wind as observed at the Royal Observatory and thechanging direction of the sea observed at the Harbour Works. The shoreline shows Somerset Hospital, a laboratory, the convict station, the breakwater, the outer basin and Alfred Basin, Amsterdam Battery and magazine, Somerset Road, the Castel, the Military Hospital, Fort Knockke, the Craig Tower and Battery and the Salt River. Some colour. Relief shown by hachures. Scale 1 inch to 1000 feet.