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Aeolian harp made by Robert Bloomfield. An Aeolian harp (also wind harp) is a musical instrument that is played by the wind. Named after Aeolus, the ancient Greek god of the wind, the traditional Aeolian harp is essentially a wooden box including a sounding board, with strings stretched lengthwise across two bridges.
The vortex trails produced as the wind passes over a rope produce a sound with a frequency that varies with the velocity of the wind and the thickness of the rope. [ citation needed ] Each doubling of the wind velocity results in an octave increase in the tone, allowing up to a six octave variation in a strong, gusty wind.
Erke, wind instrument of Argentina. A wind instrument is a musical instrument that contains some type of resonator (usually a tube) in which a column of air is set into vibration by the player blowing into (or over) a mouthpiece set at or near the end of the resonator. The pitch of the vibration is determined by the length of the tube and by ...
Line art emphasizes form and drawings, of several (few) constant widths (as in technical illustrations), or of freely varying widths (as in brush work or engraving). Line art may tend towards realism (as in much of Gustave Doré 's work), or it may be a caricature , cartoon , ideograph , or glyph .
Buran (a wind which blows across eastern Asia. It is also known as Purga when over the tundra); Karakaze (strong cold mountain wind from Gunma Prefecture in Japan); East Asian Monsoon, known in China and Taiwan as meiyu (梅雨), in Korea as jangma (), and in Japan as tsuyu (梅雨) when advancing northwards in the spring and shurin (秋霖) when retreating southwards in autumn.
A recording of a mass blow of traction engine steam whistles. The whistle consists of the following main parts, as seen on the drawing: the whistle bell (1), the steam orifice or aperture (2), and the valve (9). When the lever (10) is actuated (usually via a pull cord), the valve opens and lets the steam escape through the orifice. The steam ...
Praetorius noted: "In sound [Renaissance] racketts are quite soft, almost as if one were blowing through a comb. They have no particular distinction when a whole set of them is used together, but when violas da gamba are used with them, or when a single rackett is used together with other wind or stringed instruments and a harpsichord or the ...
Line drawing may mean: Line art, a style of two-dimensional art featuring only two, unshaded, contrasting colors; Technical line drawing, simple two-dimensional ...