I had windows like those. The glued cross shaped frame was not actually glued and it was on both sides. It looked beautiful but it was a nightmare to clean. Fou

I had windows like those. The glued cross shaped frame was not actually glued and it was on both sides. It looked beautiful but it was a nightmare to clean. Four small glasses instead of a large one. It was wood, single layer glass. I replaced them with something that reduced the heat flow.