View of the bridges, conning tower and fore mast of the Indefatigable Class battlecruiser, HMAS Australia, at John Brown & Co shipyard at Clydebank.

View of the stern of the Indefatigable-Class battlecruiser, HMAS Australia, at John Brown & Co shipyard at Clydebank showing X turret and the aft control platform.

View of the forward superstructure looking forward on the starboard side of the Indefatigable Class battlecruiser, HMAS Australia, at John Brown & Co shipyard at Clydebank.

Head-on view of the after superstructure and main mast taken from the quarter deck of the Indefatigable Class battlecruiser, HMAS Australia, at John Brown & Co shipyard at Clydebank with ropes coiled on the deck.

View of the midship superstructure looking aft taken from the deck of the Indefatigable Class battlecruiser, HMAS Australia, at John Brown & Co shipyard at Clydebank showing the centre funnel.

Port side view of the Indefatigable-Class battlecruiser, HMAS Australia, on trial on the Clyde Firth just after commissioning.

Starboard side view from the stern of the Indefatigable Class battlecruiser, HMAS Australia, on trial on the Clyde Firth just after commissioning.

View of the forecastle deck, bow and bridges of the Indefatigable Class battlecruiser, HMAS Australia, at John Brown & Co shipyard at Clydebank.

View of the after superstructure from the quarter deck on the starboard side looking forward on the Indefatigable Class battlecruiser, HMAS Australia, at John Brown & Co shipyard at Clydebank.