How to restore these cames in leadlight window

paintingpolishwindows

I would like to restore the cames in these windows. I am unsure which metal they are made from. How do I go about this?

This is a picture from the outside which has been exposed to the weather (including salt air):
Outside of windows

This is a picutre on the inside:

Inside of window

Should this be polished or painted or sanded back?

Best Answer

In my honest opinion, I would not do a thing to them. Sanding will scratch up everything, paint will get on the glass, polishing will ruin the patina, besides the polishing agent will get around places that will be hard to get out, taking away from what you are trying to accomplish. Let alone, all these procedures making it possible to crack the glass