object
Cone plaque
A named clay or refractory holder that stands pyrometric cones for viewing through a peep-hole. Not a plaque as art dump, not a pyrometric-cone alone, and not a peep-hole.
Also known as Cone pad · Cone holder
object
A named clay or refractory holder that stands pyrometric cones for viewing through a peep-hole. Not a plaque as art dump, not a pyrometric-cone alone, and not a peep-hole.
Also known as Cone pad · Cone holder