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U.S. Elections

Facts about U.S. elections   About U.S. Elections Campaign 2008Who Can Vote and Who Can Be ElectedWhy Is Election Day Tuesday?Residency Requirements for VotingElections in the…

Chester F. Carlson

Born: 1906Birthplace: Seattle, Wash. Electrophotography—Carlson invented xerographic dry-copy printing basing his process on electrostatics as opposed to chemical or photographic processes. (1981)…

marbling

(Encyclopedia) marbling, in bookbinding, a process of coloring the sides, edges, or end papers of a book in a design that suggests the veins and mottles of marble. In tree marbling, as of tree calf…

Longstreet, James

(Encyclopedia) Longstreet, James, 1821–1904, Confederate general in the American Civil War, b. Edgefield District, S.C. He graduated (1842) from West Point and served in the Mexican War, reaching the…

Hill, Daniel Harvey

(Encyclopedia) Hill, Daniel Harvey, 1821–89, Confederate general in the American Civil War, b. York District, S.C. He served in the Mexican War but resigned from the army in 1849. He was professor of…

Hancock, Winfield Scott

(Encyclopedia) Hancock, Winfield Scott, 1824–86, Union general in the American Civil War, b. Montgomery Square, near Norristown, Pa. He served with distinction in the Mexican War and was chief…

Jacob Rabinow

Born: 1910 Optical Character Recognition (OCR). Rabinow invented a process that allowed machine scanners to determine which letters or numbers were printed on a page. Over the years he crafted a…

photocopying

(Encyclopedia) photocopying, process whereby written or printed matter is directly copied by photographic techniques. Generally, photocopying is practical when just a few copies of an original are…

Fritz Haber

Born: 1868 Birthplace: Breslau, Germany Ammonia production process—The Haber-Bosch process has remained…

Karl Bosch

Born: 1884 Birthplace: Cologne, Germany Ammonia production process—The Haber-Bosch process has remained…