What is an instrument with a graduated disk by means of which the angles of gems are measured in the process of cutting and polishing called?
cadrans — An instrument with a graduated disk by means of which the angles of gems are measured in the process of cutting and polishing. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00