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sculpture

(Encyclopedia)sculpture, art of producing in three dimensions representations of natural or imagined forms. It includes sculpture in the round, which can be viewed from any direction, as well as incised relief, in ...

coal

(Encyclopedia)coal, fuel substance of plant origin, largely or almost entirely composed of carbon with varying amounts of mineral matter. Coal is found in beds or seams interstratified with shales, clays, sands...

Sumerian and Babylonian art

(Encyclopedia)Sumerian and Babylonian art, works of art and architecture created by the Sumerian and Babylonian peoples of ancient Mesopotamia, civilizations which had an artistic tradition of remarkable antiquity,...

Togo

(Encyclopedia)CE5 Togo, officially Togolese Republic, republic (2015 est. pop. 7,417,000), 21,622 sq mi (56,000 sq km), W Africa. It borders on the Gulf of Guinea in the south, on Ghana in the west, on Burkina F...

type

(Encyclopedia)type, for printing, was invented in China (c.1040), using woodblocks. Related devices, such as seals and stamps for making impressions in clay, had been used in ancient times in Babylon and elsewhere....

book collecting

(Encyclopedia)book collecting, or bibliophily, the acquiring of books that are, or are expected to become, rare and that possess permanent interest in addition to their texts. Collecting has traditionally concentra...

library

(Encyclopedia)library, a collection of books or other written or printed materials, as well as the facility in which they are housed and the institution that is responsible for their maintenance. Modern libraries m...

lead, chemical element

(Encyclopedia)lead, metallic chemical element; symbol Pb [Lat. plumbum]; at. no. 82; at. wt. 207.2; m.p. 327.502℃; b.p. about 1,740℃; sp. gr. 11.35 at 20℃; valence +2 or +4. One of the oldest metals used by h...

sewerage

(Encyclopedia)sewerage, system for the removal and disposal of chiefly liquid wastes and of rainwater, which are collectively called sewage. The average person in the industrialized world produces between 60 and 14...

diamond

(Encyclopedia)diamond, mineral, one of two crystalline forms of the element carbon (see allotropy), the hardest natural substance known, used as a gem and in industry. The discoveries of 1870–71 in South Africa...