ARCOGRAPH
Source: 567
Arc″o‐graph (�), n. [[L. arcus (E. arc) + -graph.]] An instrument for drawing a circular arc without the use of a central point; a cyclograph.
Source: 567
Arc″o‐graph (�), n. [[L. arcus (E. arc) + -graph.]] An instrument for drawing a circular arc without the use of a central point; a cyclograph.