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Definition of Scale ruler
1. Noun. A ruler marked with a range of calibrated scales (ratios) for drawing and measuring from reduced scale drawings, such as blueprints and floor plans. ¹
¹ Source: wiktionary.com
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1. Noun. A ruler marked with a range of calibrated scales (ratios) for drawing and measuring from reduced scale drawings, such as blueprints and floor plans. ¹
¹ Source: wiktionary.com