| Answer | Crossword Clue |
|---|---|
| MASTERCLOCK | Naval Observatory standard setter |
| YARD | A standard shown on a Royal Observatory wall |
| Answer | Crossword Clue |
|---|---|
| MASTERCLOCK | Naval Observatory standard setter |
| YARD | A standard shown on a Royal Observatory wall |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.