| Answer | Crossword Clue |
|---|---|
| hygrostats | HYGROSTAT, a machine for regulating the humidity of air |
| Answer | Crossword Clue |
|---|---|
| hygrostats | HYGROSTAT, a machine for regulating the humidity of air |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.