Royal Armouries

Explore: Power House

The powerhouse exhibition at the White Tower tells the stories of the major organisations of state that took care of royal business behind the mighty Tower walls. Discover more about the history of the Tower as England’s “Powerhouse” here.

Learn more about the great institutions including the Ordnance Office, Ordnance Survey, the Royal Mint, Record Office, the Jewel House, Menagerie and Royal Observatory. Discover the Tower of London’s other functions, ranging from royal residence to state prison.

Tower through Time

Institutions of the Tower


Did you know?

Going off half-cocked

Many older guns have a form of safety that prevents the gun from being fired when the hammer is pulled halfway back. Sometimes a fault develops which allows the gun to fire when the hammer is in the half-cocked position, before a proper aim can be taken.