It just says “heating furnace”. Literally: add, heat, stove/furnace for the three characters.
No idea where glory hole came from.
The opening is actually called that in the US by glass workers. They mentioned it in a corning museum of glass live stream, but I can’t find it right now.
Oh, well I guess that solves that!
In Taiwan seaweed was often translated into English as “Laver”. Never heard of it? It’s the type of seaweed used in traditional Welsh cooking.
Sometimes you think you’ve found exactly the right word, but it turns out it’s a specialist term that the general public just won’t know.
Also shown in that blowing glass show on netflix.
Talking about glory holes in a corning museum, you say? 🤔
Here is an alternative Piped link(s):
https://piped.video/@corningmuseumofglass
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I’m open-source; check me out at GitHub.
That is what this particular type of furnace is called in glassblowing. A glory hole is a specific furnace for reheating glass that has been gathered to keep it at the right temperature.