116 EXPOSITION AT VIENNA. addition, they raised 370,000 cwt. of fire-clay. Employ 315 workinen and 4 steam-engiues. Steinberger Gewerkschaft, Grossalmerode bei Cassel, Deutsches, Reiches, exhibited fire-brick and slabs for blast- furnaces. The production of this Company in 1871 was 35,000 cwt. of clay and 54,000 cwt. of fire-brick, worth 30,500 thalers. One hundred and thirty-oue workinen, and two steam-engines. The samples of tuyeres for Bessemer Converters appeared to be excelleut in quality. The largest, with nine holes, were 20 inches long and 5 inches in diameter at the small end. Smal-Smal & Co., ä Andennes (province de JVamurJ, Belgium, exhibited fire-brick and flags for the hearths and crucibles of blast-furnaces and for a furnace complete; also, bricks specially adapted to the needs of steel-works, glass- works, and zinc-works. The blast-furnace brick were specially interesting, and they are supplied at the following rates per ton (1,000 kilogrammes), loaded upon cars at Andennos :— Bricks for the hearth and crucible, 75 francs. “ “ boshes, . . 65 “ “ “ inferior lining, . 55 “ “ •* outer casing, . 50 “ “ “ a furnace complete, 65 “ Slabs or tiles, for the bottoms of soda-furnaces, are supplied at 80 francs, and other fire-brick, for steel-works, glass- works, puddling furnaces, etc., at 40 francs the ton (about $8 gold). Crude and. calcined clay, for the use of glass and zinc works, is sold at from 14 to 28 francs the ton. Societe Anonyme des Teeres Plastiques et Produits Eefractaires, d'Andennes, lez-JVamur. Directeur gerant: M. Francois Bertrand.—This establishment made an ex tensive display of retorts, cyliuders, and of bricks for con- densation chimneys for acid works; bricks for Siemen’s fur naces, Bessemer Converters and high furnaces. The follow ing is a short description of some of the principal objects, with the prices per piece, or per ton :—