| Answer | Crossword Clue |
|---|---|
| diagraphs | DIAGRAPH, an instrument for copying |
| diagraphic | pertaining to a diagraph, an instrument for enlarging or projecting drawings |
| diagraph | an instrument for copying |
| eidograph | an instrument for copying drawings |
| eidographs | EIDOGRAPH, an instrument for copying drawings |
| planigraph | an instrument for copying drawings at a different scale |
| planigraphs | PLANIGRAPH, an instrument for copying drawings at a different scale |
| pantograph | An instrument for copying a drawing or plan on a different scale by a system of hinged and jointed rods |
| pantographs | An instrument for copying a drawing or plan on a different scale by a system of hinged and jointed rods |
