Last Updated
：2025/12/07
selenium eye
Noun
historical
Japanese Meaning
天文学の歴史的な装置。黒く焦げた木製の球体がガラスレンズを囲み、そのレンズがセレニウムセルに光を集める。セレニウムセルはガルバノメーターに接続され、天体の光度変化の測定に用いられる。
（ plural ）
Quizzes for review
(astronomy, historical) A device consisting of a closeable ball of blackened wood surrounding a glass lens that focuses light onto a selenium cell attached to a galvanometer; used by astronomers to measure the light variations of a heavenly body.
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selenium eye
The museum displayed a restored selenium eye, a closeable ball of blackened wood surrounding a glass lens that focused light onto a selenium cell attached to a galvanometer.
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The museum displayed a restored selenium eye, a closeable ball of blackened wood surrounding a glass lens that focused light onto a selenium cell attached to a galvanometer.
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