DEMICIRCLE
Source: 567
Dem″i‐cir′cle (?), n. [[Cf. F. demi-cercle.]] An instrument for measuring angles, in surveying, etc. It resembles a protractor, but has an alidade, sights, and a compass.
Source: 567
Dem″i‐cir′cle (?), n. [[Cf. F. demi-cercle.]] An instrument for measuring angles, in surveying, etc. It resembles a protractor, but has an alidade, sights, and a compass.