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An anemometer is a device used for measuring wind speed, and is a common weather station instrument. The term is derived from the Greek word ''anemos'',which means wind, and is used to describe any wind speed measurement instrument used in meteorology . The first known description of an anemometer given by Leon Battista Alberti in 1450. ==History== The anemometer has changed little since its development in the 15th century. Leon Battista Alberti is said to have invented the first mechanical anemometer around 1450. In following centuries, numerous others, including Robert Hooke and the Mayans, developed their own versions, with some being mistakenly credited as the inventor. In 1846, John Thomas Romney Robinson improved upon the design by using four hemispherical cups and mechanical wheels. Later, in 1926, John Patterson developed a three-cup anemometer, which was improved by Brevoort and Joiner in 1935. In 1991, Derek Weston added the ability to detect wind direction. Most recently, in 1994, Dr. Andrews Pflitsch developed the sonic anemometer. 〔(【引用サイトリンク】title=History of the Anemometer )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「anemometer」の詳細全文を読む スポンサード リンク
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