The Meta-Encyclopedia

Single-source entries: O (7)

Each of these 11 subjects appears in only one of the 6 encyclopedias on this shelf. None is long enough to carry a page by itself, so they are gathered here by letter. Anything that grows moves out to a page of its own.

Oerebro

a town of Sweden, at the entrance of the Svarta into the Hjelmar Lake, 170 miles W. of Stockholm. It has an ancient castle, in which many diets have been held; and there is a trade in minerals and matches. Pop. (1917) 34,667.

Only in Collier's New Encyclopedia

Oersted, Hans Christian

or'sted, Hans Christian (1777-1851), a professor of physics in the Danish University at Copenhagen. He was noted as a student of magnetism, galvanism, and electricity. His investigations did much to establish the belief that they are but manifestations of the same form of energy. He invented a piece of apparatus designed to show that the magnetic needle , suspended freely, tends to place itself at right angles to the direction of an electric current in its vicinity. It is known to students as Oersted's Apparatus.

Only in Aiton's Encyclopedia

Oesel

an island in the Baltic belonging to the Republic of Esthonia, and lying across the mouth of the Gulf of Riga; length about 45 miles; area, 1,000 square miles; pop. about 60,000. The surface is undulating, broken by low hills, marshy, watered by numerous small streams, and well wooded. The coast is generally formed by high cliffs. The climate is milder than that of the neighboring continental districts. The only town is Arensburg, on the S. E. coast. Many of the inhabitants of Arensburg are of German descent, as are the nobles and the clergy of the island; but the peasantry are Esthonian. Long governed by the Teutonic knights, it became a Danish province in 1559, was given up to Sweden in 1645, and in 1721 fell into the hands of Russia. Capital Arensburg. Pop. 5,000. Island population 66,000, chiefly Esthonians. ESOPHAGUS, in anatomy, a slightly flexed canal, between the pharynx and the stomach, inclining to the left in the neck, the right in the upper thorax, and the left again through the posterior mediastinum. It is narrow and flat in the neck, and rounded in the lower and longest part. It passes through the diaphragm, and terminates nearly opposite the 10th dorsal vertebra in the cardiac orifice of the stomach. The passage of the food is caused by muscular contrac tion through the action of the parvagum nerve.

Only in Collier's New Encyclopedia

Offa

a King of Mercia, who attained the throne after Ethelbald, on defeating the usurper Beornred, A. D. 757. He brought Kent under his sway, and reduced the power of Wessex by a defeat inflicted in 777. He also defeated the Welsh, took from them part of their border lands, and to keep them within their new limits erected here the ramparts known as Watt's Dyke and Offa's Dyke. Latterly he murdered Ethelbert, King of East Anglia, and seized his kingdom. He founded the Abbey of St. Albans, and was a liberal patron to the Church. He died in 796.

Only in Collier's New Encyclopedia

Offa's Dyke

an entrenchment extending along the border of England and Wales, from the N. coast of Flintshire, on the estuary of the Dee, through Denbigh, Montgomery, Salop, Radnor, and Hereford, into Gloucestershire, where its S. termination is near the mouth of the Wye. In some places it is nearly obliterated by cultivation; in others it is of considerable height. Nearly parallel with it, about 2 miles to the E., is Watt's Dyke, which, however, seems never to have been so great a work. Offa, King of Mercia, is said to have erected Watt's Dyke in 765 to keep back the Welsh, and Offa's Dyke a few years later.

Only in Collier's New Encyclopedia

Ogdensburg

a city and port of entry in St. Lawrence co., N. Y.; at the confluence of the St. Lawrence and the Oswegatchie rivers, and on the New York Central and Hudson River and Rutland railroads; 175 miles N. N. W. of Albany. The city has a large river trade, and a steam ferry to Prescott, Canada; contains a United States government building, refuge for the aged, orphanage, academy, hospital, public library, street railroad and electric light plants, National and State banks, doors in 1872. After the lapse of a few daily and weekly newspapers and many years the present university assumed its fine public and private buildings. It has grain elevators, flour and lumber mills, leather factories. Manufactures of silk, curtain rods, clothing. Pop. (1910) 15,- 933; (1920) 14,609.

Only in Collier's New Encyclopedia

Ogeechee

a river in Georgia which rises in Greene co., and empties into Ossabaw Sound, 17 miles S. of Savannah; length, about 200 miles. It is navigable for steamers in its lower waters.

Only in Collier's New Encyclopedia

Ogg

FREDERICK AUSTIN, an American economist, born at Solsberry, Ind., in 1878. Graduated at DePauw University in 1899 and took post graduate courses at other universities. After several years spent in teaching in high schools and colleges, he became associate professor of political science at the University of Wisconsin in 1914, and full professor in 1917. He was a member of many economic and historical societies and was associate editor of the "American Political Science Review." He wrote "Saxon and Slav" (1903); "A Source Book of Medieval History" (1908); "Life of Daniel Webster" (1914); "National Progress 1907-1917" (The American Nation, Vol. 27, 1917).

Only in Collier's New Encyclopedia

Oglesby

RICHARD JAMES, an American lawyer; born in Oldham co., Ky., July 25, 1824. He was admitted to the Illinois bar in 1845. He served as a 1st lieutenant in the Mexican War; in 1849 was among the goldseekers who made the overland trip to California, engaging in mining for two years. In 1851 he returned to Illinois and resumed law practice; was elected State Senator in 1860, but resigned to enter the army in the Civil War. He was colonel of the 8th Illinois Volunteers, and later Major- General. He was three times governor of Illinois, being first elected in 1864, reelected in 1872, and again in 1885. He was elected United States Senator in 1873 and served six years. He died in Elkhart, Ind., April 24, 1899.

Only in Collier's New Encyclopedia

Oglethorpe

FORT, a defensive structure erected by General Oglethorpe in 1737, on St. Simon's Island, Ala., near the mouth of the Alabama river. It was the scene of considerable fighting during the Revolution, as well as the War of 1812. Now in ruins.

Only in Collier's New Encyclopedia

Oglethorpe University

an institution under the control of the Southern Presbyterian Church, situated at Atlanta, Ga. The first university of this name was founded in 1835, but the stress of the Civil War and Reconstruction period proved too great for its resources and it was forced to close its place. Among the graduates from 1835- 1872 were many theologians, governors of the state and more famous than all, Sidney Lanier, the poet. The endowment of the present institution is about $1,000,- 000 which is under the control of a board of directors, every member of which must be a Presbyterian.

Only in Collier's New Encyclopedia