| Answer | Crossword Clue |
|---|---|
| stauroscope | an instrument for studying the structure of crystals with polarised light |
| Answer | Crossword Clue |
|---|---|
| stauroscope | an instrument for studying the structure of crystals with polarised light |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.