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navigation
(Encyclopedia)navigation, science and technology of finding the position and directing the course of vessels and aircraft. The next great revolution in navigation occurred in the 20th cent., when radio signals ...shipwreck
(Encyclopedia)shipwreck, complete or partial destruction of a vessel as a result of collision, fire, grounding, storm, explosion, or other mishap. In the ancient world sea travel was hazardous, but in modern times ...Cartwright, Edmund
(Encyclopedia)Cartwright, Edmund, 1743–1823, English inventor and clergyman. He was the inventor of an imperfect power loom that, when finally patented (1785), became the parent of the modern loom. It was the fir...Muskogee
(Encyclopedia)Muskogee mŭskōˈgē [key], city (1990 pop. 37,708), seat of Muskogee co., E Okla., near the junction of the Arkansas, Verdigris, and Grand rivers; inc. 1898. It is an important transportation, trade...Tombigbee
(Encyclopedia)Tombigbee tŏmbĭgˈbē [key], river, c.400 mi (640 km) long, rising in NE Miss. and flowing SE into W Alabama, then generally S to join the Alabama River and form the Mobile River before entering int...air navigation
(Encyclopedia)air navigation, science and technology of determining the position of an aircraft with respect to the surface of the earth and accurately maintaining a desired course (see navigation). Basic to air ...Navigation Acts
(Encyclopedia)Navigation Acts, in English history, name given to certain parliamentary legislation, more properly called the British Acts of Trade. The acts were an outgrowth of mercantilism, and followed principle...navigation satellite
(Encyclopedia)navigation satellite, artificial satellite designed expressly to aid the navigation of sea and air traffic. Early navigation satellites, from the Transit series launched in 1960 to the U.S. navy's Nav...chronometer
(Encyclopedia)chronometer krənŏmˈətər [key], instrument for keeping highly accurate time, used especially in navigation. Before the advent of radio time signals it was the only device that provided the time ac...Rhine
(Encyclopedia)Rhine rīn [key], Du. Rijn, Fr. Rhin, Ger. Rhein, Lat. Rhenus, principal river of Europe, c.820 mi (1,320 km) long. It rises in the Swiss Alps and flows generally north, passing through or bordering o...Browse by Subject
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