Wikipedia spinning wheel and you get all the information you need.
I think from my research that this is a single drive spinner wheel.
(And broken the picture below it has only half of the horse shoe, single drive)
The Ashford brand is well known and parts can be brought. This spinner new today from Ashford would cost around £420;00 and I brought this one from a local charity shop for £50.
So if my plan works and it can be restored, we have a fantastic local carpenter and cost permitting this could turn out to be a bargain.
(Or expensive fire wood)