Working up the flight with CRT Volunteer
Entering a lock on the staircase
It was also helpful that I had recently read the new book by David Carden which tells the tale of both the plane and its designer Gordon Thomas.
Top of the inclined planes showing the devices for compensating for buoyancy
Twin rails to compensate for buoyancy as the lower caisson enters the water
View down the plane to the lower basin
The museum is small but interesting. The one exhibit that caught my eye was the genuine tunnel lamp complete with side windows to illuminate the legging boards. A bit different from today's lamps! They also had a good collection of old Buckby Cans.
Tunnel lamp complete with side windows and a legging board