So Janey & John, I assume you have a 117? Does it look as though these parts on ebay (as below) would be right for my machine?
https://www.ebay.co.uk/itm/1SET-Rota...MAAOSwruxbA825
(Janey, I'm not neat either... well I can be, but there's something about 'controlled chaos' that appeals!)
Oh !!!
Now I've seen that other link I'll never be the same again! Thanks SO much.