August 20, 1910: Orion seen just after launch at Portsmouth Dockyard.

Close-up of the 13.5"/45 X & Y turrets of Orion during her construction.

HMS Orion, date and location unknown.

HMS Orion, date and location unknown.

HMS Orion, date and location unknown.

HMS Orion, date and location unknown.

All four Orion class battleships (Orion, Thunderer, Monarch and Conqueror), date and location unknown.