Brass Tuning Fork

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Brass Tuning Fork
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The brass tuning fork has a bright yellow metallic appearance, though this appearance changes over time as the result of handling and exposure to air. If the fork is never cleaned, the surface of the material oxidises to produce a darker and duller protective layer. When played, the brass tuning fork gives a loud bright tone of a pitch higher than the copper fork but lower than the blued steel fork. The note is clearly audible when held some distance from the ear and makes a clear, bright and sustained sound. The duration of the note produced is longer than any other of the forks we have made and the vibrations continue to be felt in the hand even after they are no longer detectible by the ear due to its optimal rations of density and elasticity. Brass is an alloy of zinc and copper and is commonly used in the making of percussive and wind instruments. On hearing the bright, loud and resonant sound produced by the brass tuning fork it is easy to appreciate the effect this material has on the ability of an object to produce sound. As a material it is also prized for its ability to be easily worked and formed by hand, thus enabling the creation of the complex systems of pipes and tubes that characterise many instruments made from brass.

Sample ID: 725


40%% Zn | 60%% Cu
Rex Garrod and Zoe Laughlin
Acoustic | Brass | Copper | Sound of Materials | Zinc

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