副ふく尺しゃく

noun

vernier scale

Technical term for the auxiliary scale on measuring instruments such as calipers. The cross-reference バーニヤ is a common alternative name.

See also: バーニヤ

• ノギスの副ふく尺しゃくで細こまかい長ながさを読よみ取とる。

  Read the fine length with the vernier scale of the calipers.