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kithara

(Encyclopedia)kithara sĭthˈ– [key], musical instrument of the ancient Greeks. It was a plucked instrument, a larger and stronger form of the lyre, used by professional musicians both for solo playing and for th...

tablature

(Encyclopedia)tablature tăbˈləcho͝or [key], in music, a generic system of musical notation indicating actions that the player must take, rather than “representing” the music itself that will result from tho...

spinet

(Encyclopedia)spinet, musical instrument of the harpsichord family. Although the terms virginal and spinet, interchangeable until the end of the 17th cent., were sometimes used indiscriminately to designate any har...

calliope, in music

(Encyclopedia)calliope, in music, an instrument also called steam organ or steam piano in which steam is forced through a series of whistles controlled by a keyboard. It is usually played mechanically, and its shri...

Campbell, John Francis

(Encyclopedia)Campbell, John Francis, 1822–85, Scottish Gaelic scholar. He is known for Popular Tales of the West Highlands (4 vol., 1860–62) and Leabhar na Feinne (1872), a collection of Gaelic folk ballads. A...

tuning fork

(Encyclopedia)tuning fork, steel instrument in the shape of a U with a short handle. When struck it produces an almost pure tone, retaining its pitch over a long period of time; thus it is a valuable aid in tuning ...

quadrant, in technology

(Encyclopedia)quadrant, in technology, angle-measuring device based on a scale of 90°. It is sometimes confused with the sextant, a similar instrument based on a scale of 60°. The quadrant is rarely used today. ...

compass

(Encyclopedia)compass. 1 In mathematics, an instrument for making circles and measuring distances. Frequently called a pair of compasses, it consists of two metal legs with one end of each attached to a pivot to fo...

French horn

(Encyclopedia)CE5 French horn French horn, brass wind musical instrument. Fundamentally a metal tube of narrow conical bore, it is curved into circles because of its great length. The horn ends in a wide flare....

voltmeter

(Encyclopedia)voltmeter, instrument used to measure differences of electric potential, commonly called voltage, in volts or units that are multiples or fractions of volts. A voltmeter is usually combined with an am...