最終更新日：2024/08/03
Fine lines ruled on glass in a series of groups of different closeness of line, and used to test the power of a microscope.
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Nobert's lines
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Fine lines ruled on glass in a series of groups of different closeness of line, and used to test the power of a microscope.
Nobert's lines
DiQt（ディクト）
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★★★★★★★★★★
