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torsion balance

(Encyclopedia)torsion balance, instrument used to measure small forces. It is based on the principle that a wire or thread resists twisting with a force that is proportional to the stress. The torsion balance consi...

crank

(Encyclopedia)crank, mechanical linkage consisting of a bar attached to a pivot at one of its ends in such a way that it is capable of rotating through a complete circle about the pivot. One of the principal uses o...

Temple, city, United States

(Encyclopedia)Temple, city (1990 pop. 46,109), Bell co., central Tex.; inc. 1882. In a rich blackland region, Temple has grain and textile mills, railroad shops, and plants that make computer printers and terminals...

Byzantine music

(Encyclopedia)Byzantine music, the music of the Byzantine Empire composed to Greek texts as ceremonial, festival, or church music. Long thought to be only a further development of ancient Greek music, Byzantine mus...

meridian circle

(Encyclopedia)meridian circle: see transit instrument. ...

koto

(Encyclopedia)koto kōˈtō [key], a Japanese string instrument related in structure to the zither. It consists of an elongated rectangular wooden body, strung lengthwise with 7 to 13 silk strings. The uniformly lo...

Bream, Julian Alexander

(Encyclopedia)Bream, Julian Alexander brēm [key], 1933–2020, English guitarist and lutenist. Bream was first taught guitar by his father and studied piano and cello at the Royal College of Music. He made his deb...

McDowell, Ephraim

(Encyclopedia)McDowell, Ephraim məkdoulˈ, –douˈəl [key], 1771–1830, American pioneer surgeon, b. Virginia. He studied with the Scottish surgeon John Bell in Edinburgh and practiced in Danville, Ky. He was n...

Agatha, Saint

(Encyclopedia)Agatha, Saint ăgˈəthə [key], 3d cent., Sicilian virgin, martyred under Roman Emperor Decius. She is mentioned in the Martyrology of Jerome and the Calendar of Carthage in the 6th cent. Agatha is i...

étude

(Encyclopedia)étude āˈto͞od [key], a brief musical composition, usually for piano, fashioned to instruct an instrumentalist in a particular technical problem, such as scales or trills. Succeeding the toccata, p...