Thanks for that Bob, I had a vague idea how it works, but your video explains it all very well. I’m currently working on a Grand Sonnerie movement which has a variation of the Geneva Stops on all 3 chains, mounted on the plate.
I would like to add that, if I had seen your video before dismantling this clock, I may well have avoided a minor disaster resulting in some stripped teeth on the main wheel of the going chain. It may we worth while pointing out to your members, that it’s necessary to make sure that the Stops are disengaged so that the mainsprings are fully unwound before separating the plates.
Richard
