| Answer | Crossword Clue |
|---|---|
| ELEMI | Printing ink ingredient |
| ELEMI | Resin used in printing ink |
| CYAN | Ink used in four-color printing |
| MAGENTA | Ink used in four-color printing |
| EOSIN | Ink ingredient |
| ARABIC | Gum .. (ink ingredient) |
| INCANDESCENTLAMPBLACK | Edison's luminous India ink ingredient? |
