fire-clay

For the men in the barricade had made themselves two small cannons out of two cast-iron lengths of gas-pipe, plugged up at one end with tow and fire-clay.

Les Miserables 2008

We would mine out the dirt, or fire-clay as it was called, from under the coal to the distance of two feet, or the length of a pick-handle, and to the depth of some six inches.

The Twin Hells; a thrilling narrative of life in the Kansas and Missouri penitentiaries John N. Reynolds

To promote efficiency, the furnace and boiler is jacketed with asbestos -- or fire-clay round the furnace -- secured by a thin outer cover.

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There is a heavy annual output also of iron ore, pig iron and fire-clay.

Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" Various

If a solid fuel-coal, coke, charcoal, etc. -fire is used, the walls of the casing should be lined with asbestos or fire-clay to prevent the metal being burnt away.

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They should always be laid with fire-clay in place of lime or cement mortar.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various

In order to satisfy the first condition better, and keep the gases at a higher temperature, Dr. Pridgin Teale arranges a sloping fire-clay slab above his fire.

Scientific American Supplement, No. 586, March 26, 1887 Various

It would grow dead around the outside next to the cold iron; but put a fire-clay lining into it, and it was as good as any other stove.

Scientific American Supplement, No. 561, October 2, 1886 Various

It is lined with 16,000 fire bricks and 120 fire-clay blocks or breakers, weighing each 1¼ cwt.

Scientific American Supplement, No. 620, November 19,1887 Various

As the pyroligneous acid which results from the distillation of the wood attacks lime mortar, it is best to lay up the brick with fire-clay mortar, to which a little salt has been added; sometimes loam mixed with coal-tar, to which a little salt is also added, is used.

Scientific American Supplement, No. 415, December 15, 1883 Various