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organ

(Encyclopedia)CE5 Organ organ, a musical wind instrument in which sound is produced by one or more sets of pipes controlled by a keyboard, each pipe producing only one pitch by means of a mechanically produced ...

Florence, city, Italy

(Encyclopedia)Florence flôrˈəns, flŏrˈ– [key], Ital. Firenze, city (2021 est. metro area pop.709,064...

mathematics

(Encyclopedia)mathematics, deductive study of numbers, geometry, and various abstract constructs, or structures; the latter often “abstract” the features common to several models derived from the empirical, or ...

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