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typewriter
(Encyclopedia)typewriter, instrument for producing by manual operation characters similar to those of printing. Corresponding to each key on the instrument's keyboard is a steel type. Activated through a series of ...Fanning, Edmund, 1769–1841, American trader and explorer
(Encyclopedia)Fanning, Edmund, 1769–1841, American trader, explorer, and promoter of trade and exploration in the South Seas, b. Stonington, Conn. At the age of 14 he went to sea. In command of a trading vessel, ...Gray, Robert
(Encyclopedia)Gray, Robert, 1755–1806, American sea captain, discoverer of the Columbia River, b. Tiverton, R.I. He probably served in the Continental navy in the American Revolution. In 1787 he and Capt. John Ke...Guericke, Otto von
(Encyclopedia)Guericke, Otto von ôˈtō fən gāˈrĭkə [key], 1602–86, German physicist, noted for his study of pneumatics. He carried out his most important researches while burgomaster (1646–81) of Magdebu...atlas, in geography
(Encyclopedia)atlas, in geography, collection of maps or charts. It usually includes data on various features of a country, e.g., its topography, natural resources, climate, and population, as well as its agricultu...leadwort
(Encyclopedia)leadwort lĕdˈwôrt, –wərt [key], common name for the Plumbaginaceae, a family of perennial herbs and shrubs usually found in semiarid regions, especially of the Mediterranean area and Central Asi...artichoke
(Encyclopedia)artichoke, name for two different plants of the family Asteraceae (aster family), both having edible parts. The French, or globe, artichoke (Cynara scolymus) is a thistlelike plant of which the globul...Ripley, Robert LeRoy
(Encyclopedia)Ripley, Robert LeRoy, 1890–1949, American cartoonist, b. Santa Rosa, Calif., as Leroy Robert Ripley. The creator of the Believe It or Not! newspaper cartoon, Ripley began his career at 16 as a sport...valve
(Encyclopedia)valve, device for controlling the flow of fluids (liquids and gases). Valves vary in construction and size depending upon their function. Some are classified according to their method of operation or ...tomahawk
(Encyclopedia)tomahawk [from an Algonquian dialect of Virginia], hatchet generally used by Native North Americans as a hand weapon and as a missile. The earliest tomahawks were made of stone, with one edge or two e...Browse by Subject
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