118 x 184 mm. A rear view, showing the hull and twin screws of the ship in dry dock. ‘Cerberus’ was a turret ironclad with 4 18-ton muzzle loading guns, designed for harbour defence. She arrived in Port Phillip in 1871 (partly financed by the British Government), and was finally sunk in 1926 to form a breakwater at Black Rock in Port Phillip Harbour. For some years she was the most powerful ship in the southern hemisphere.