0 a type of brick that is not damaged by high temperatures and is therefore used when building things such as chimneys and fireplaces:
Masonry ovens are generally built with fire-resistant materials like firebrick or clay.
The blow pipe extends through the firebrick wall of the forge to the bottom of the fire.
The vessel is provided with a double lining of firebricks of the same quality as those used for the lining of blast furnaces.
According to my information there is no shortage of these firebricks nor is their price unreasonable.
This will free from tax those firebricks which are designed to be built into such stoves, etc.
It was not sold in competition with the inferior silica firebrick manufacturers.
