Wollaston Line

Japanese: ウォラストン線 - うぉらすとんせん
Wollaston Line

…He discovered palladium in 1902 and rhodium two years later. He also established a method of refining platinum to obtain malleable platinum, and created the very thin platinum wire (Wollaston wire) used in crosshairs in optical instruments. He also contributed to crystallography by creating a highly accurate reflective goniometer (angle measuring instrument), and improved and invented many other optical instruments, including the polarizing prism (Wollaston prism) made of two calcite right-angle prisms glued together, and the Wollaston lens, which eliminates aberrations by gluing two lenses together. His achievements are far-reaching, including observing the dark line in the solar spectrum and discovering cystine, a type of amino acid. …

*Some of the terminology used to refer to the "Wollaston Line" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…02年にパラジウムを,2年後にロジウムを発見した。また,可鍛性のある白金を得る精製法を確立し,光学機器の十字線などに用いられるごく細い白金線(ウォラストン線)を作った。精度の高い反射式ゴニオメーター(測角器)を作り結晶学に貢献,さらに,方解石の直角プリズムを2個はり合わせた偏光プリズム(ウォラストンプリズム)や,2枚のレンズをはり合わせて収差を除いたウォラストンレンズなど数多くの光学機器の改良や発明があり,このほかにも太陽スペクトルの黒線を観測したり,アミノ酸の一種であるシスチンを発見するなど,彼の業績は広範囲にわたっている。…

※「ウォラストン線」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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