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Islamic Golden Age brass astrolabe Brass lectern with an eagle. Attributed to Aert van Tricht, Limburg (Netherlands), c. 1500.. Brass is an alloy of copper and zinc, in proportions which can be varied to achieve different colours and mechanical, electrical, acoustic and chemical properties, [1] but copper typically has the larger proportion, generally 66% copper and 34% zinc.
Modern brass instruments generally come in one of two families: Valved brass instruments use a set of valves (typically three or four but as many as seven or more in some cases) operated by the player's fingers that introduce additional tubing, or crooks, into the instrument, changing its overall length.
A brass instrument is a musical instrument that uses a cupped mouthpiece shaped in a way that allows the player's lips to vibrate to generate the instrument's sound. Wikimedia Commons has media related to Brass instruments .
A brass is an alloy of copper with zinc. Brasses are usually yellow in colour. The zinc content can vary between few % to about 40%; as long as it is kept under 15%, it does not markedly decrease corrosion resistance of copper.
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Vast numbers of bronze and brass ewers, holy-water vessels, reliquaries and candelabra were produced in the Middle Ages. In general, most of the finest work was executed for the Church. [2] An important centre of medieval copper and brass casting (Dutch: geelgieten; literally "yellow casting") was the Meuse Valley
The United States Army Brass Quintet. A brass quintet is a five-piece musical ensemble composed of brass instruments.The instrumentation for a brass quintet typically includes two trumpets or cornets, one French horn, one trombone or euphonium/baritone horn, and one tuba or bass trombone.The two instrumentations of the brass quintet that are currently in use are the quintet of two trumpets ...
Gunmetal parts. Gun metal, also known as red brass in the United States, is a type of bronze – an alloy of copper, tin, and zinc.Proportions vary but 88% copper, 8–10% tin, and 2–4% zinc is an approximation.