CIRCUMFERENTOR

Noun

circumferentor (plural circumferentors)

(surveying) An instrument used to measure horizontal angles, consisting of a brass circle and an index, all of one piece.

Source: Wiktionary


Cir*cum`fer*en"tor, n. Etym: [See Circumfer.]

1. A surveying instrument, for taking horizontal angles and bearings; a surveyor's compass. It consists of a compass whose needle plays over a circle graduated to 360ΒΊ, and of a horizontal brass bar at the ends of which are standards with narrow slits for sighting, supported on a tripod by a ball and socket joint.

2. A graduated wheel for measuring tires; a tire circle.

Source: Webster’s Unabridged Dictionary 1913 Edition



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SALTWORT

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