A superstructure mock-up of an Australian Battle class destroyer in the Mould Loft, Portsmouth Dockyard, Hampshire.

A wooden mock-up of part of the bridge deck of an Australian Battle class destroyer erected in the Mould Loft of Portsmouth Dockyard, looking aft and to starboard. The equipment includes a box for Very lights and pistols, a voicepipe, telephones, box for portable flashing lantern, control switches and an armament broadcast quiet speaker.