DRAFT OF A CLASSIFICATION FOR THE WORLd's FAIR. 677 



28. Products of Mines not Elsewhere Placed. 



281. Ckmexts, Lime, ktc. 



Lime, cement aud bydniulic cemeut, raw aiul burned, accompanied l»y spec- 

 imens of the crude rock or material used, etc. 



Specimens of lime-niortar and mixtures, with illnstrationH of the processes 

 of niisiug, etc.; hydraulic and other cements. 



282. ARTIFICIAL Stone, etc. 



Beton mixtures and results, with illustrations of the processes. 

 Artificial stone for building purposes, building blocks, cornices, etc. 

 Artificial stone mixtures for pavements, walls or ceilings. 



283. Clays, etc. 



Clays, kaolin, silex, and other materials for the manufacture of porcelain 

 faience, and of glass, bricks, terra cotta and tiles, and fire brick ; refractory 

 stones for lining furniture, sandstone, steatite, etc., and refractory fur- 

 nace materials, bricks, and tiles. 



284. Graphite, etc. 



Graphite — crude and refined — for polishing ))urj>oses, for lubricating, elec- 

 trotyping, photography, pencils, etc. 



285. Polishing and Abrading Materials. 



Hones, whetstones, grindstones; grinding and ])oli8hing materials; sand 

 quartz, garnet, crude topaz, diamond, corundum, emery, in the rock and 

 pulverized, and in assorted sizes and grades. 



Sandpaper an<l its manufacture. 



286. Brines and Alkalies. 



Natural brines, saline and alkaline efflorescences and solutions, 



287. Mineral P^ertilizers. 



Mineral fertilizing substances, gypsum, phoajdiate of lime, marls, shells, 

 coprolites, etc., not manufactured. 



288. Mineral Combustiules. 



Coal, anthracite, semi-bituminous and bituminous ; coke, coal waste, and 

 pressed coal; albertite, asphalt, and asphaltic limestone; bitumen, min- 

 eral tar, crude petroleum. (See also Class 117. ) 



289. Asbestos and its Applications. 



29. Miners, Quarrymen, and Operatives. 



291. Numerical Statistics. Nationality, etc. 



292. Social Statistics — Physical Condition. 



293. Intellectual and Moral Condition. 



294. Customs, Dialects. 



295. Food, 



296. Clothing and I'krsoxal KiiUiPMKNT. 



297. Habitations. 



298. Miners' Societies. 



299. MiNiNci Towns. 



Mining t<»wns in America and otlur countries. Pictures, maps. Special 

 local exliibits. 



DEPARTMENT 3.— MARINE AND FISHERIES. 

 30. The Sea and Inland Waters. Physical Conditions. Aquatic Life. 



300. The Sea and its Physical Conditions. (Thalassogkaphy.) 



Oceanic l)a8ins. Coast lines. Depths and soundings. Temperatures. Cur- 

 rents. Salinity. Pressure. Light. 



Characteri.stic deep-sea deposits. Character of the bottom. Characteristic 

 plantand aniuutl life of tlie great dejtths. 



