object
Annealing lehr
A named tunnel or chamber oven that cools glass slowly to relieve stress. Not a pottery kiln alone, not a glory-hole, and not an hourglass.
Also known as Lehr · Annealing oven
object
A named tunnel or chamber oven that cools glass slowly to relieve stress. Not a pottery kiln alone, not a glory-hole, and not an hourglass.
Also known as Lehr · Annealing oven