View from above of the stern and after deck showing the rollers being fitted on the roller bed of Y barbette on the Royal Navy Queen Elizabeth Class Battleship HMS Barham berthed in the fitting-out basin at John Brown & Co., Clydebank.

Dock view from inside, showing the torpedo defence netting strung across the fitting-out basin at John Brown & Co. shipbuilders, Clydebank.

Dock view from the river, showing the torpedo defence netting strung across the fitting-out basin at John Brown & Co. shipbuilders, Clydebank.

View of the turntable of Y barbette being lifted on to the Royal Navy Queen Elizabeth Class Battleship HMS Barham berthed in the fitting-out basin at John Brown & Co., Clydebank.

View of the turntable of Y barbette being manoeuvred into position over the Royal Navy Queen Elizabeth Class Battleship HMS Barham berthed in the fitting-out basin at John Brown & Co., Clydebank.

View of the turntable of Y barbette being lowered into position on to the Royal Navy Queen Elizabeth Class Battleship HMS Barham berthed in the fitting-out basin at John Brown & Co., Clydebank.

View of the turntable of Y barbette in position at the end of the lift on the Royal Navy Queen Elizabeth Class Battleship HMS Barham berthed in the fitting-out basin at John Brown & Co., Clydebank.

View of the Royal Navy Queen Elizabeth Class Battleship HMS Barham berthed in the fitting-out basin at John Brown & Co., Clydebank with tarpaulins covering her foremost barbette.

View from above of the forward part of the Royal Navy Queen Elizabeth Class Battleship HMS Barham berthed in the fitting-out basin at John Brown & Co., Clydebank with the Medusa-Class destroyer HMS Medea alongside and gun barrels on the dockside.