CIRCUMFERENTOR, noun An instrument used by surveyors for taking angles. It consists of a brass index, and circle, all of a piece; on the circle is a chart, divided into 360 degrees. There are also two sights to screw on and slide up and down the index; also a spangle and socket screwed on the back side of the circle to put the head of the staff in.
Contenido
Derechos y fuentes
Consulta información de fuente, licencia y atribución de este contenido.
Contenido
Webster's Dictionary 1828
American Dictionary of the English Language, Noah Webster, 1828.