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celesta

(Encyclopedia)celesta sĭlĕˈstə [key], keyboard musical instrument patented in 1886 by Auguste Mustel of Paris. It consists of a set of steel bars fastened over wood resonators and struck by hammers operated fro...

theremin

(Encyclopedia)theremin thĕrˈəmən [key], one of the earliest electronic musical instruments, invented (1920) in the Soviet Union and named for its creator, Leon Theremin. A forerunner of the synthesizer, it cons...

hula

(Encyclopedia)hula, traditional Hawaiian dance usually performed standing with symbolically descriptive arm and hand movements and gracefully sensual undulations of the hips; it is also done in a sitting position. ...

Abel, Sir Frederick Augustus

(Encyclopedia)Abel, Sir Frederick Augustus, 1826–1902, English chemist, an authority on explosives. He was professor of chemistry at the Royal Military Academy (1851–55) and chemist to the War Dept. and governm...

Chladni, Ernst Florens Friedrich

(Encyclopedia)Chladni, Ernst Florens Friedrich ĕrnst flōˈrĕns frēˈdrĭkh klädˈnē [key], 1756–1827, German physicist. An authority on acoustics, he made studies of the transmission of sound in various gas...

flügelhorn

(Encyclopedia)flügelhorn flüˈgəlhôrnˌ [key], three-valved brass instrument similar in size and shape to the trumpet but having a conical rather than a cylindrical bore and possessing a larger bell. Because of...

ocarina

(Encyclopedia)ocarina ŏkərēˈnə [key], musical wind instrument with eight finger holes and two thumb holes, rather egg-shaped, and made of metal, terra-cotta or plastic. Unlike other wind instuments, it produce...

Lambeth Conference

(Encyclopedia)Lambeth Conference, convocation at Lambeth Palace, London, that brings together all the bishops in the Anglican Communion. It meets about every 10 years at the invitation of the archbishop of Canterbu...

barograph

(Encyclopedia)barograph, instrument used to make a continuous recording of atmospheric pressure. The pressure-sensitive element, a partially evacuated metal cylinder, is linked to a pen arm in such a way that the v...

thermometer

(Encyclopedia)thermometer, instrument for measuring temperature. Galileo and Sanctorius devised thermometers consisting essentially of a bulb with a tubular projection, the open end of which was immersed in a liqui...