What is an instrument with two arms that are pivoted together at one end, and a graduated arc, -- used by military engineers for measuring and laying off angles of fortifications called?
recipiangle — An instrument with two arms that are pivoted together at one end, and a graduated arc, -- used by military engineers for measuring and laying off angles of fortifications. (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