...Length measuring instruments that combine a main scale and a vernier scale to allow accurate reading of the main scale include vernier calipers, height gauges, and depth gauges. Vernier calipers were invented by the Frenchman Pierre Vernier (1580-1637). The name vernier calipers is said to come from the Portuguese mathematician Petrus Nonius (1492-1577), who invented the vernier scale method. The minimum reading of vernier calipers specified by the JIS is 0.1mm, 0.05mm, and 0.02mm, and they can measure external and internal dimensions. ... *Some of the terminology that mentions "Vernier, P." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…本尺目盛とバーニヤ目盛を組み合わせ,本尺目盛の読取りを正確にした構造の測長器には,ノギス,ハイトゲージ,デプスゲージなどがある。ノギスはフランス人ベルニエPierre Vernier(1580‐1637)によって発明された。ノギスの名称はバーニヤ目盛の方法を発明したポルトガルの数学者ノニウスPetrus Nonius(1492‐1577)からきたものといわれている。JISに規定されているノギスは最小読取値が0.1mm,0.05mm,0.02mmで,外側寸法および内側寸法が測定できる。… ※「Vernier,P.」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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