In the event the Dockyard proved a fascinating place and we didn’t manage to cover everything that day. There was also a temporary exhibition called ‘Whirrs, Cogs and Thingumybobs’ which I've written about elsewhere.
Here we are aboard HMS Cavalier, a Royal Navy C-class destroyer of WW2.
The Bridge, where they took turns to issue orders, and the room where the helmsman received orders from the Bridge.

Below, Office and the Operations Office (later the Ops Room) full of interesting knobs and dials.
And aboard the Victorian warship HMS Gannet. This was fun and the twins are happy to have joint control. It appears to be the wheel that positions the guns.
And in the radio room of the RNLI lifeboat Edward Bridges (1974). Everyone can relax, the twins have control of the situation again.
This week’s Sepia Saturday prompt image was a 1948 B-36 cockpit, with far more dials, knobs and levers than any of the above. Why not visit to see what other contributors made of it.