…A gauge has no moving parts during measurement. Gauges have been used for a long time, but the oldest recorded is a wooden plate gauge called a Polhem bar, used by Sweden's Christopher Polhem (1661-1751) from the early 18th century. Polhem bars were later made of iron. … *Some of the terminology that mentions "Polhem, C." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ゲージは測定中に動く部分をもっていない。ゲージは古くから使われていたが,スウェーデンのプールヘムChristopher Polhem(1661‐1751)が18世紀の初めころから使ったプールヘム棒という木製の板ゲージが,記録されているものでは古い。プールヘム棒は後に鉄製となった。… ※「Polhem,C.」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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