Here is a link for glass.
https://www.inlineovals.com/round-convex-glass-1/
I have found that most of the glass for clocks has more of a curve than the original glass they use on radios.
It just sticks out a little more.
as far as the leg is concerned ,they are VERY hard to get especially when you want one for a specific model
I hope this helps.
Dan in Calgary