| Answer | Crossword Clue |
|---|---|
| NITER | Compound in gunpowder |
| NITRE | Gunpowder compound, in Gloucester |
| SALTPETER | Gunpowder compound |
| SULFUR | Element in gunpowder |
| NITRE | Ingredient in gunpowder. |
| NITERS | Salts used in gunpowder. |
| NITRE | Ingredient in the Gunpowder Plot? |
| NITER | White salt used in gunpowder. |
| DUPONT | Company that began as a gunpowder manufacturer in 1802 |
