…Born in Boston, after graduating from high school in 1861, he became a personal assistant to B.A. Gould and participated in the measurement of longitude at the Coast Geodetic Survey. Later, he himself invented a floating zenith instrument called the Almcanter and conducted latitude observations. In 1891, he discovered latitude changes around the same time as K.F. Kuestner, and discovered the 14-month Chandler cycle. From 1896 to 1909, he was involved in editing The Astronomical Journal, which was founded by Gould. … *Some of the terminology explanations that mention "Almcanter" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ボストンに生まれ,1861年高校を卒業後グールドB.A.Gouldの個人助手となって沿岸測地局の経度測定に加わった。後にみずからアルムキャンターという浮遊天頂儀をくふうして緯度観測を行い,91年K.F.キュストナーと相前後して緯度変化を発見し,14ヵ月のチャンドラー周期を検出した。1896‐1909年の間グールドの創刊した《The Astronomical Journal》誌の編集に携わった。… ※「アルムキャンター」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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