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San Gabriel

(Encyclopedia)San Gabriel săn gāˈbrēəl [key], city (1990 pop. 37,120), Los Angeles co., SW Calif.; inc. 1913. Fabric, furniture, paper products, tools, and aircraft parts are manufactured. An annual three-day ...

theodolite

(Encyclopedia)theodolite thēŏdˈəlītˌ [key], calibrated optical instrument used to determine relative position in surveying, navigation, and meteorology. It is similar in construction to a surveyor's transit, ...

duralumin

(Encyclopedia)duralumin do͝orălˈyəmĭn, dyo͝o– [key], alloy of aluminum (over 90%) with copper (about 4%), magnesium (0.5%–1%), and manganese (less than l%). Before a final heat treatment the alloy is duct...

Palestine, city, United States

(Encyclopedia)Palestine pălˈəstēn [key], city (1990 pop. 18,042), seat of Anderson co., E Tex.; inc. 1871. It is a market, processing, and rail center for a rich oil area and for the truck crops, livestock, and...

Carrollton

(Encyclopedia)Carrollton. 1 City (2020 pop. 26,738), seat of Carroll co., W Ga., on the Little Tallapoosa River; inc. 1897. Manufacturing includes fiber-optic ...

Fort Walton Beach

(Encyclopedia)Fort Walton Beach, city (2020 pop. 20,922), Okaloosa co., NW Fla., on the Gulf of Mexico; inc. 1941. It is a year-round beach and fishing resort east of...

Azusa

(Encyclopedia)Azusa əzo͞oˈsə [key], city (2020 pop. 50,000), Los Angeles co., S Calif., in the San Gabriel valley; inc. 1898. It is a residential and industrial city in a citrus-fru...

Walsall

(Encyclopedia)Walsall wôlˈsôl [key], metropolitan borough (1991 pop. 177,923), W central England, in the Black Country. Iron and brass founding, limestone quarrying, and the manufacture of leather goods, small h...

Stevenage

(Encyclopedia)Stevenage, city (1991 pop. 74,757) and district, Hertfordshire, E central England. Stevenage was the first new town to be designated under the New Towns Act of 1946, a program to decentralize populati...

aerodynamics

(Encyclopedia)aerodynamics, study of gases in motion. As the principal application of aerodynamics is the design of aircraft, air is the gas with which the science is most concerned. Although aerodynamics is primar...