selenium eye
selenium eye · selenium eyes
A device consisting of a closeable ball of blackened wood surrounding a glass lens…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.
Значение
значений: 1(историческое)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.
Формы
мн. число: selenium eyes| Ед. число | selenium eye |
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