Search

Search results

Displaying 1 - 10

Ritchey, George Willis

(Encyclopedia) Ritchey, George Willis, 1864–1945, American astronomer, b. Meigs co., Ohio, studied at the Univ. of Cincinnati (1883–84, 1886–87). He was superintendent of instrument construction (…

Bogardus, James

(Encyclopedia) Bogardus, JamesBogardus, Jamesbōgärˈdəs [key], 1800–1874, American architect, b. Catskill, N.Y. Among the first to use cast iron in the construction of building facades, Bogardus was…

cross-laminated timber

(Encyclopedia) cross-laminated timber (CLT), manufactured wood panels that consist of layers of boards glued together under pressure with the grain of the boards in one layer running perpendicular to…

HICKEL, WALTER JOSEPH

(Encyclopedia) Hickel, Walter Joseph, 1919–2010, U.S. secretary of the interior (1969–70), b. Claflin, Kan. After moving to Alaska in 1940, he founded (1947) a construction company and built it into…

Burj Khalifa

(Encyclopedia) Burj Khalifa [Arab.,=Khalifa Tower], skyscraper in Dubai, United Arab Emirates, that is the tallest building in the world. The centerpiece of a large urban development, it stands 2,717…

Stevens

(Encyclopedia) Stevens, family of U.S. inventors. John Stevens, 1749–1838, b. New York City, was graduated from King's College (now Columbia Univ.) in 1768. He studied law (1768–71) and soon joined…

floodplain

(Encyclopedia) floodplain, level land along the course of a river formed by the deposition of sediment during periodic floods. Floodplains contain such features as levees, backswamps, delta plains,…