Floodgate

Gate for shutting out or releasing the flow of water over spillways, in connection with the operation of a dam. Vertical lift, or radial, gates rise to permit flow under the gate but over the spillway crest. Drum gates rotate backward, lowering their tops and permitting a measured flow over the top of the gate. Drum gates present the fewest problems in the passage of ice

Rockwell International Corporation

The main company was incorporated in 1928 as North American Aviation, Inc., a holding company for a number of aviation companies, but it switched to aircraft manufacturing when it received a contract

Le Maistre De Sacy, Isaac-louis

Important figure in the Jansenist religious movement in France, a member of the Arnauld family (q.v.).

France, History Of, Germans and Gallo-Romans

The settlement of Germanic peoples in Roman Gaul brought people from two entirely different backgrounds into contact. Linguistic barriers were quickly overcome, for the Germans adopted Latin. At the same time, German names were preponderant. Although there were religious difficulties in those regions settled by peoples converted to Arianism (Visigoths, Burgundians),

Ma-wang-tui

In tomb number one was found the almost

Fiske, Bradley Allen

Fiske graduated from the U.S. Naval Academy in 1874. As the navigator of the gunboat Petrel, he used one of his inventions, a stadimeter range finder, to communicate the ranges of enemy ships to American gunners

Grignard, Victor

In 1898, while a student under Philippe Barbier at Lyon, Grignard began his prizewinning work with a study of the alkylzinc compounds

West Covina

City, Los Angeles county, California, U.S. It lies at the eastern end of the San Gabriel Valley and is about 20 miles (32 km) east of the city centre of Los Angeles. Settled in 1905, it began as an agricultural community surrounded by citrus and walnut groves. After World War II it experienced rapid growth with the urbanization of the Los Angeles metropolitan area. West Covina consists

Margaret I

Regent of Denmark (from 1375), of Norway (from 1380), and of Sweden (from 1389), who, by diplomacy and war, pursued dynastic policies that led to the Kalmar Union (1397), which united Denmark, Norway, and Sweden until 1523 and Denmark and Norway until 1814.

China, Sun Yat-sen and the United League

Sun's leadership in the league was far from undisputed. His understanding that the support of foreign powers was indispensable for Chinese revolution militated against the anti-imperialist trend of the young intellectuals. Only half-heartedly accepted was the principle of people's livelihood, or socialism, one of his Three Principles. Though various evaluations

Yale, Frankie

Yale graduated from youth gangs to bootlegging and rum-running

Ricca, Paul

Ricca grew up in Naples and was convicted of murder there

Stafford, Jean

After graduating from the University of Colorado at Boulder (B.A., 1936; M.A., 1936), Stafford studied at Heidelberg University in Germany (1936–37). When she returned to the United States and settled in Boston, she painstakingly completed a four-year

Brisbane, Sir Thomas Makdougall, Baronet

Brisbane

âli Pasa, Mehmed Emin

The son of a shopkeeper, Âli Pasa entered government service as a boy. Without

Menippus

Menippus was allegedly a slave by birth who became rich by begging or by usury, afterward