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tetroon

(Encyclopedia)tetroon: see weather balloon.

radiosonde

(Encyclopedia)radiosonde rāˈdēōsŏnd [key], group of instruments for simultaneous measurement and radio transmission of meteorological data, including temperature, pressure, and humidity of the atmosphere. The ...

Andrée, Salomon August

(Encyclopedia)Andrée, Salomon August säˈlo͞omôn ouˈgəst ändrāˈ [key], 1854–97, Swedish polar explorer, grad. Royal Inst. of Technology, Stockholm. An aeronautical engineer and head of the Swedish patent...

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, ...

Yost, Ed

(Encyclopedia)Yost, Ed (Paul Edward Yost), 1919–2007, American balloonist, b. Bristow, Iowa, grad. Boeing School of Aeronautics, 1940. The father of modern hot-air ballooning, Yost pioneered the used of propane (...

Montgolfier, Joseph Michel

(Encyclopedia)Montgolfier, Joseph Michel zhäk ātyĕnˈ [key], 1745–99, French inventors, brothers. Together they invented the first practical balloon. On June 5, 1783, they sent up at Annonay, near Lyons, a lar...

angioplasty

(Encyclopedia)angioplasty ănˈjēōplăsˌtē [key], any surgical repair of a blood vessel, especially balloon angioplasty or percutaneous transluminal coronary angioplasty, a treatment of coronary artery disease....

dirigible

(Encyclopedia)dirigible or dirigible balloon: see airship. ...

Fossett, Steve

(Encyclopedia)Fossett, Steve (James Stephen Fossett), 1944–2007, American investment banker and adventurer, b. California. After becoming a multimillionaire as a stockbroker and investment consultant, he began a ...

Abbe, Cleveland

(Encyclopedia)Abbe, Cleveland ăbˈē [key], 1838–1916, American meteorologist, b. New York City; brother of Robert Abbe. He was the first official daily weather forecaster in the United States. Abbe studied astr...