…Scales are classified into scales with actual graduations, scales with expandable graduations, and angle scales. Here, we will discuss metal scales and metal angle scales as specified by JIS. There are three types of metal scales: Type A for precision use, Type B for drafting, and Type C for general use. … *Some of the terminology that refers to "metal angle rulers" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…直尺は実目盛直尺,伸縮目盛直尺,角度直尺などに分類される。ここでは,JISに規定されている金属製直尺,金属製角度直尺について述べる。金属製直尺は精密用のA形,製図用のB形,一般用のC形の3種類がある。… ※「金属製角度直尺」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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