How to use Fire-clay in a sentence
The pyrites is subjected to dry distillation from out of iron or fire-clay tubular retorts at a bright red heat.
Parkersburg is the see of a Protestant Episcopal bishop. Oil, coal, natural gas and fire-clay abound in the neighbouring region, and the city is engaged in the refining of oil and the manufacture of pottery, brick and tile, glass, lumber, furniture, flour, steel, and foundry and machine-shop products.
In connexion with the Warora colliery there is a fire-clay business.
Pittston is in the midst of the richest anthracite coal region of the state, and fire-clay also abounds in the vicinity.
The bed of fire-clay under a coal seam, being impervious to water, frequently determines the horizon of numerous springs issuing from the hillsides.Advertisement
The glass in process of fusion is contained in a basin or tank built up of large blocks of fire-clay and is heated by one or more powerful gas flames which enter the upper part of the furnace chamber through suitable apertures or " ports."
When the floor of the kiln has been covered with slabs of glass the opening is carefully built up and luted with fire-bricks and fire-clay, and the whole is then allowed to cool.
In the Belgian process the reduction and distillation are carried out in cylindrical or elliptical retorts of fire-clay, from 3 ft.
Each retort is provided with two adapters, namely, a conical pipe of fire-clay, about 15 in.
The iron adapters are now slipped on, and left on for two hours, when, as a matter of experience, a considerable amount of zinc has gone out of the retort, the greater part into the fire-clay adapter, the rest into the iron cone.Advertisement
The composition of the ash of true coal approximates to that of a fire-clay, allowance being made for lime, which may be present either as carbonate or sulphate, and for sulphuric acid.
Percy, the mineral matter being also changed by the removal of silica and alkalis and the substitution of substances analogous in composition to fire-clay.
The surrounding country is a fine farming region, which also abounds in coal, fire-clay and building stone.
Cottonmills, woollen-factories, ironworks, flagstone quarries at Elland Edge, and fire-clay works employ the industrial population.
At West New Brighton is a large dyeing establishment, there are also ship-building yards, oyster fisheries, and truck farms, and among the maufactures are linoleum, paper, white lead, linseed oil, brick, and fire-clay products.Advertisement
Borchers endeavoured to contend against the first difficulty by employing an iron cathode vessel and a chamotte (fire-clay) anode chamber united by a specially constructed water-cooled joint.
Brick, potter's and tile clays are obtained most largely along the west border of the Coastal Plain, and fire-clay from the coal region of West Maryland; in 1907 the value of clay products was $1,886,362.
Kaolin abounds in Chester and Delaware counties, and fire-clay in several of the western counties.
The manufacture of great quantities of coke has resulted from the demand for this product in the iron and steel industry and from the abundance of coking coal; the manufacture of glass has been promoted by the supply of glass sand and natural gas in the west of the state; the manufacture of leather by the abundance of hemlock bark; the manufacture of pottery, terra-cotta and fire-clay products by the abundance of raw material; the manufacture of silk and silk goods by the large number of women and girls who came into the state in families of which the men and boys were employed in mining and picking anthracite coal; and in each of these industries as well as in a few others the state has for many years produced a large portion of the country's product.
The valley is a part of the anthracite coal region of Pennsylvania, fire clay abounds in the vicinity, and .the borough's principal industries are the mining and shipping of coal, and the manufacture of shirts and foundry products.Advertisement
Darwen is a centre of the cotton trade and has also blast furnaces, and paper-making, paper-staining and fire-clay works.
The city has a level site in the midst of a good agricultural country, which abounds in coal and fire-clay.
Fire-clay is produced in Lanarkshire, which yields nearly half of the total output, and Ayrshire and, less extensively, in Stirlingshire, Fifeshire, Renfrewshire, Midlothian and a few other shires.
The industry in weaving shawls and lighter fabrics has died out; and the large iron, coal and fire-clay works at Eglinton, and worsted spinning, employ most of the inhabitants.
Coal, iron ore, fire clay and limestone abound in the vicinity, and the city has large plants for the manufacture of iron and steel.Advertisement
Six anodes were suspended, alternately with four cathodes, in a saturated solution of copper sulphate in a cylindrical fire-clay trough, all the anodes being connected in one parallel group, and all the cathodes in another.
Gold-dredging is a rich industry, and the coal-mines have attendant industries in coke, bricks and fire-clay.
It has collieries, and iron, steel, engineering, tool and fire-clay works, and there is a large industrial population.
Other industries include bleaching, silk-weaving, fire-clay and enamelling works, and a sanitary appliances factory.
This may be effected by mixing the dry chloridewith one-fifth of its weight of pure quicklime or one-third of its weight of dry sodium carbonate, and fusing the mixture in a, fire-clay crucible at a bright red heat.Advertisement
The city of Trenton is one of the two great centres of the American pottery industry, and in 1905 it manufactured more than one-half of the state's output of pottery, terra cotta and fire-clay products.
There is some roofing slate along the Rogue river, natural cement, nickel ore, bismuth and wolframite in Douglas county, gypsum in Baker county, fire-clay in Clatsop county, borate of soda on the marsh lands of Harney county, infusorial earth and tripoli in the valley of the Deschutes river, chromate of iron in Curry and Douglas counties, molybdenite in Union county, bauxite in Clackamas county, borate of lime in Curry county, manganese ore in Columbia county, and asbestos in several of the southern and eastern counties.
The retorts in which the coal is carbonized are almostluniversally made of fire-clay, and in all but small country works the old singleended retort, which was about 9 ft.
Coal and fire-clay are raised.
In the vicinity are deposits of bituminous coal, fire-clay and moulding sand.Advertisement