Columbia Encyclopedia

(Encyclopedia) ventilation, process of supplying fresh air to an enclosed space and removing from it air contaminated by odors, gases, or smoke. Proper ventilation requires also that there be a movement or circulati...

(Encyclopedia) Chiapas chēäˈpäs [key], state, 28,732 sq mi (74,416 sq km), SE Mexico, on the Pacific Ocean ...

(Encyclopedia) Moscow or Muscovy, grand duchy of, state existing in W central Russia from the late 14th to mid-16th cent., with the city of Moscow as its nucleus. Its formation and eventual ascendancy over other Rus...

(Encyclopedia) World's Columbian Exposition, held at Chicago, May–Nov., 1893, in commemoration of the 400th anniversary of the discovery of America by Christopher Columbus. Authorized (1890) by Congress, it was pl...

(Encyclopedia) Saxony săkˈsənē [key], Ger. Sachsen, Fr. Saxe, state (1994 pop. 4,901,000), 7,078 sq mi (18,337 sq km), E central Germany. Dresden is the capital. In its current form, Saxony is a federal state of...

(Encyclopedia) Clinton, George, 1739–1812, American statesman, vice president of the United States (1805–1812), b. Little Britain, N.Y. Before he was 20 he served on a privateer and, in the French and Indian War...

(Encyclopedia) Kanem känēmˈ [key], former empire in Africa in the areas near Lake Chad that are now part of Chad and N Nigeria. The empire began in the 9th cent., when the Sefawa migrated to the area from the Sah...

(Encyclopedia) Kent, William, 1685–1748, English landscape gardener, architect, and painter. A minor painter, Kent made ceiling decorations for Kensington Palace. He greatly influenced landscape gardening by chang...

(Encyclopedia) Independence Hall, historic building on Independence Square, downtown Philadelphia, in Independence National Historical Park. Originally constructed as the Pennsylvania colony's statehouse in 1732, th...

(Encyclopedia) Philadelphia Museum of Art, established in 1875, chartered in 1876. When the city of Philadelphia planned to erect a building to house the Centennial Exposition of 1876, provision was made to keep the...