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bluestone

(Encyclopedia)bluestone, common name for the blue, crystalline heptahydrate of cupric sulfate called chalcanthite, a minor ore of copper. It also refers to a fine-grained, light to dark colored blue-gray sandstone....

Abbey, Edwin Austin

(Encyclopedia)Abbey, Edwin Austin, 1852–1911, American illustrator and painter, b. Philadelphia, studied at the Pennsylvania Academy of the Fine Arts. Employed by Harper & Brothers, he was sent to England, wh...

Henri, Robert

(Encyclopedia)Henri, Robert hĕnˈrī [key], 1865–1929, American painter and teacher, b. Cincinnati as Robert Henry Cozad. He studied at the Pennsylvania Academy of the Fine Arts. In 1888 he went to Paris, where ...

Delaware, river, United States

(Encyclopedia)Delaware dĕlˈəwâr, –wər [key], river, c.280 mi (450 km) long, rising in the Catskill Mts., SE N.Y., in east and west branches, which meet at Hancock. It flows SE along the New York–Pennsylvan...

Reading, cities, United States

(Encyclopedia)Reading. rĕdˈĭng [key] 1 Town (1990 pop. 22,539), Middlesex co., NE Mass., a suburb of Boston; settled 1639, set off from Lynn and inc. 1644. Printing is the major industry. A 17th-century tavern i...

Crédit Mobilier of America

(Encyclopedia)Crédit Mobilier of America krĕˈdĭt mōbĭlyāˈ, krādēˈ [key], ephemeral construction company, connected with the building of the Union Pacific RR and involved in one of the major financial sca...

museums of science

(Encyclopedia)museums of science, institutions or buildings where collections relevant to science and technology are preserved and displayed to promote education and research. While the preponderance of these museu...

Harrisburg

(Encyclopedia)Harrisburg. <1> City (2020 pop. 8,219), seat of Saline co., SE Ill; founded c. 1852. In the mid-19th century, it was a center of woolen and ...

Lebanon, city, United States

(Encyclopedia)Lebanon, city (1990 pop. 24,800), seat of Lebanon co., SE Pa., in the Pennsylvania Dutch farm country; founded 1753, inc. as a city 1868. Its manufactures include fabricated metal products, lumber, ap...

Logan, James, chief of the Mingo

(Encyclopedia)Logan, James, c.1725–1780, chief of the Mingo, b. Pennsylvania. He took his name from James Logan (1674–1751) and is frequently called simply Logan. He was a leader of the Native Americans on the ...