Oeland – Oilcloth
Oeland
a long and narrow island in the Baltic, 4 to 17 miles from the E. coast of Sweden. It is 55 miles long and 5 to 12 broad. Scarcely more than a limestone cliff, scantily covered with soil, but in some parts well wooded, and has good pasture ground; there are large alum works; and the fishing is excellent.
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.
Offenbach
a manufacturing town of Hesse-Darmstadt, on the S. bank of the Main, 5 miles S. E. of Frankfort.
Before the World War among its industrial products were chemicals, fancy leather goods, machines, and carriages.
The schloss was a residence of the princely house of Isenburg-Birstein. Pop. about 80,000.
Ogeechee
a river in Georgia which rises in Greene co., and empties into Sound, 17 miles S. of Savannah; length, about 200 miles. It is navigable for steamers in its lower waters.
Ogyges
said to have been the first King of Attica and Bœotia, in the 18th century B. C. In his reign is stated to have occurred the great deluge that covered the whole of Greece. That event has been placed as occurring 260 years before that of Deucalion; viz., about 1764 B. C.
O'Higgins
HARVEY J., an American writer, born in London, London, Ont., in 1876. He studied in the University of Toronto from 1893 to 1897. He wrote "The Smoke Eaters" (1905); "The Beast and the Jungle" (with Judge Ben B. Lindsey) (1910); "The Dummy" (1913), and "Mr. Lazarus" (1916); "From the Life" (1919).
Ohio
UNIVERSITY OF, a coeducational non-sectarian institution in Athens, O.; founded in 1804; reported at the close of 1900: Professors and instructors, 96; students, 3,957; president, Alston Ellis, Ph.D.
Ohio Wesleyan University
a coeducational institution in Delaware, O.; founded in 1844 under the auspices of the Methodist Episcopal Church; reported at the close of 1919: Professors and instructors, 78; number of students, 1,250; president, J. W. Hoffman, D.D.
The university includes a college of liberal arts, a school of music, oratory, business, medicine, etc.
Ohm
or OHMAD, in electromagnetics, the unit of resistance. It is 10° C. G. S. units of resistance, and is the same as the value of one earth-quadrant per second.
Ohm's Law
in electricity, a law enunciated by Professor Ohm, in 1827, for determining the quantity of electromotive force in a voltaic battery. It is that the intensity of the current in a voltaic current is equal to the electromotive force divided by the resistance.
Oil Cake
the marc or refuse after oil is pressed from flax, rape, mustard, cotton, or hemp seed; or from cocoanut pulp. Used for cattle feed or manure.
Oilcloth
a tarpaulin; painted canvas for floor covering. Figures or patterns in oil colors are printed e printed on one side by means of wooden blocks. A separate block is used for each color.