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Clay (Name of various earths minum)

the name of various earths, minum, with small proportions of the silicates of iron, calcium, magnesium, potassium, and sodium. All the varieties are characterized by being firmly coherent, weighty, compact, and hard when dry, but plastic when moist, smooth to when mixed not readily subsiding in it.

Their tenacity and ductility when moist and their hardness when dry has made them from the earliest times the materials of bricks, tiles, pottery, etc. Of the chief varieties porcelain Clay, kaolin, or China Clay, a white Clay with occasional gray and yellow tones, is the purest. Potter's Clay and pipe Clay, which are similar but less pure, are generally of a yellowish or grayish color, from the pressimilar but less pure, are generally of a yellowish or grayish color, from the prestory variety, always found lying immediately below the coal; it is used for making fire bricks, crucibles, etc. Loam is the same substance mixed with sand, oxide of iron, and various other formaking fire bricks, crucibles, etc. Loam of a red or yellow color from the presence of oxide of iron, are distinguished by their conchoidal fracture. The ochres more oxide of iron. Other varieties are are similar to the boles , containing only fuller's-earth, Tripoli, and boulder Clay, the last a hard Clay of a dark-brown color, Architectural terra cotta Fireproofing and hollow Drain tile Sewer pipe CLAY Architectural terra cotta.... building tile.......

Stove lining Tile (not drain) Stove lining Fire brick Miscellaneous $640,000 10,420,000 16,170,000 4,840,000 hollow 16,620,000 7,250,000 730,000 36,170,000 .. 7,100,000 .$184,650,000 ...

Total brick and tile.....

Total pottery Grand total 76,140,000 ... .$260,790,000 The total imports of Clay products in 1919 were valued at $7,366,535, of which $7,230,061 were pottery products, and $136,474 brick, tile, etc. In the same year the total exports were valued at $6,582,284.

American statesman; born in Madison co., Ky., Oct. 19, 1810. He was grad- American statesman; born in Madison ture of Kentucky. He opposed the anyears later was elected to the Legislayears later was elected to the Legisla- Clay, and served in the Mexican War.

He was an opponent of slavery and sup- Clay, and served in the Mexican War. He was an opponent of slavery and sup- In 1886 he published his ported Lincoln for the Presidency.

From 1862 to 1869 he was Minister to Russia. speeches, edited by Horace Greeley. In 1896 he was prominent as a "gold" Democrat. He died July 22, 1903.