| Answer | Crossword Clue |
|---|---|
| ferrograms | FERROGRAM, a slide prepared to illustrate the suspended iron particles in the lubricant of a machine |
| Answer | Crossword Clue |
|---|---|
| ferrograms | FERROGRAM, a slide prepared to illustrate the suspended iron particles in the lubricant of a machine |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.