refractory clay

Generators.—The generator consists of a retort made of refractory clay, vertically mounted, and cylindrical or conical in form.

From Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines by R. E. Mathot

This reflector terminates above in a dome, in whose center is placed a refractory clay box.

From Scientific American Supplement, No. 417, December 29, 1883 by Various

Refractory Lining.—The interior lining of the generator should be made of refractory clay of the best quality.

From Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines by R. E. Mathot

The hot air stove should be well lined with refractory clay, in order to prevent the iron from getting red hot, and the grate should be of relatively wide surface.

From Scientific American Supplement, No. 514, November 7, 1885 by Various

This is placed in a second larger crucible of refractory clay, and the intervening space filled with lampblack tightly packed.

From Scientific American Supplement, No. 365, December 30, 1882 by Various