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stroboscope

(Encyclopedia)stroboscope strŏbˈəskōp [key], optical instrument for making a moving object appear to be slowed down or stationary. This effect is created by interrupting the observer's view so that the object i...

Whig party

(Encyclopedia)Whig party, one of the two major political parties of the United States in the second quarter of the 19th cent. By the time Fillmore had succeeded to the presidency, the disintegration of the party ...

Banks, Nathaniel Prentiss

(Encyclopedia)Banks, Nathaniel Prentiss, 1816–94, American politician and Union general in the Civil War, b. Waltham, Mass. After serving in the Massachusetts legislature (1849–53), Banks entered Congress as a ...

Remington, Frederic

(Encyclopedia)Remington, Frederic, 1861–1909, American painter, sculptor, illustrator, and writer, b. Canton, N.Y., studied at the Yale School of Fine Arts and the Art Students League. His subjects, drawn largely...

Field Museum of Natural History

(Encyclopedia)Field Museum of Natural History, in Chicago, Ill. Founded in 1893 through the gifts of Marshall Field and others, it was first known as the Columbian Museum of Chicago and in 1905 was renamed in honor...

Garnet, Henry Highland

(Encyclopedia)Garnet, Henry Highland gärˈnĭt [key], 1815–82, American abolitionist clergyman, b. Kent co., Md. Born a slave, he escaped in 1824 and was educated at the Oneida Institute, Whitesboro, N.Y. He was...

Sully, Thomas

(Encyclopedia)Sully, Thomas, 1783–1872, American painter, b. England. Having come to the United States as a child, he first studied with his brother Lawrence, a miniaturist, and later for a brief time with Gilber...

Woodbury, Levi

(Encyclopedia)Woodbury, Levi, 1789–1851, American cabinet officer and jurist, associate justice of the U.S. Supreme Court (1845–51), b. Hillsboro, co., N.H. Important as a politician and jurist in New Hampshire...

X-ray astronomy

(Encyclopedia)X-ray astronomy, study of celestial objects by means of the X rays they emit, in the wavelength range from 0.01 to 10 nanometers. X-ray astronomy dates to 1949 with the discovery that the sun emits X ...

Antietam campaign

(Encyclopedia)Antietam campaign ăntēˈtəm [key], Sept., 1862, of the Civil War. After the second battle of Bull Run, Gen. Robert E. Lee crossed the Potomac to invade Maryland and Pennsylvania. At Frederick, Md.,...