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Bernstorff, Johann Hartwig Ernst

(Encyclopedia)Bernstorff, Johann Hartwig Ernst bĕrnsˈtôrf [key], 1712–72, Danish politician, of German (Hanoverian) origin. As minister of foreign affairs (1751–70) under Frederick V and Christian VII, he s...

pitot static system

(Encyclopedia)pitot static system pētōˈ [key], device for measuring the rate at which a fluid flows. Among the principal applications of the device are an airspeed indicator for aircraft and a distance and speed...

Starhemberg, Ernst Rüdiger, Graf von

(Encyclopedia)Starhemberg, Ernst Rüdiger, Graf von gwēˈdōbältˌ [key], 1657–1737, also took part in the defense of Vienna. He was made field marshal and served with distinction in the War of the Spanish Succ...

Crossfield, Scott

(Encyclopedia)Crossfield, Scott (Albert Scott Crossfield), 1921–2006, American aviator, b. Berkeley, Calif. A fighter pilot and flight instructor in the navy (1942–46) during World War II, he studied aeronautic...

Wrangel, Friedrich Heinrich Ernst, Graf von

(Encyclopedia)Wrangel, Friedrich Heinrich Ernst, Graf von frēˈdrĭkh hīnˈrĭkh ĕrnst gräf fən vrängˈəl [key], 1784–1877, Prussian field marshal. He fought in the Napoleonic Wars. In 1848 he commanded th...

White, Robert Michael

(Encyclopedia)White, Robert Michael, 1924–2010, American aviator, b. New York City. A fighter pilot during World War II, he was shot down over Germany and held in a prisoner-of-war camp (Feb.–Apr, 1945); he was...

jet propulsion

(Encyclopedia)CE5 Types of jet engines: In the propeller-driven turbine a stream of high-velocity gases provides the power to drive the turbine and turn the propeller. In the jet-driven turbine the stream of gas...

Siemens, Sir William

(Encyclopedia)Siemens, Sir William, 1823–83, English electrical engineer, b. Germany; brother of Ernst Werner von Siemens. Originally his name was Carl Wilhelm Siemens. After visiting England to introduce an elec...

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