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Juan Carlos I

(Encyclopedia)Juan Carlos I hwän kärˈlōs [key], 1938–, king of Spain (1975–2014), b. Rome. The grandson of Alfonso XIII, he was educated in Switzerland and in Spain. Placed by his father, Don Juan de Borbó...

echo sounder

(Encyclopedia)echo sounder, an older instrumentation system for indirectly determining ocean floor depth. Echo sounding is based on the principle that water is an excellent medium for the transmission of sound wave...

Corpus Christi, city, United States

(Encyclopedia)Corpus Christi kôrˈpəs krĭsˈtē [key], city (2020 pop. 317,863), seat of Nueces co., S Tex.; inc. 1852. It ...

Clifford, Clark McAdams

(Encyclopedia)Clifford, Clark McAdams, 1906–98, U.S. government official, b. Fort Scott, Kans. Admitted to the bar in 1928, he engaged in private practice before serving (1944–46) in the U.S. navy. As special a...

pontoon

(Encyclopedia)pontoon, one of a number of floats used chiefly to support a bridge, to raise a sunken ship, or to float a hydroplane or a floating dock. Pontoons have been built of wood, of hides stretched over wick...

Piccard, Auguste

(Encyclopedia)Piccard, Auguste ōgüstˈ pēkärˈ [key], 1884–1962, Swiss physicist, b. Basel. He became a professor at the Univ. of Brussels in 1922. He and his twin brother Jean Felix (d. 1963) are known for t...

Newcomb, Simon

(Encyclopedia)Newcomb, Simon no͞oˈkəm, nyo͞oˈ– [key], 1835–1909, American astronomer, b. Nova Scotia, grad. Lawrence Scientific School, Harvard, 1858. Living in the United States from 1853, he was appointe...

Parry, Sir William Edward

(Encyclopedia)Parry, Sir William Edward păˈrē [key], 1790–1855, British arctic explorer and rear admiral. He entered the navy at 13 and made his first voyage to the Arctic under Sir John Ross in 1818 in search...

United Irishmen

(Encyclopedia)United Irishmen or United Irish Society, Irish political organization. It was founded at Belfast in 1791 by Theobald Wolfe Tone. Disgruntled by the use of English patronage to control Irish politics, ...

Paris, Declaration of

(Encyclopedia)Paris, Declaration of, 1856, agreement concerning the rules of maritime warfare, issued at the Congress of Paris. It was the first major attempt to codify the international law of the sea. Conflicting...