| Answer | Crossword Clue |
|---|---|
| BITUMINOUS | Kind of coal. |
| HARD | Kind of coal |
| PEA | Kind of coal or coat. |
| PEA | Kind of coat or coal |
| JET | Kind of coal or pump |
| PEA | Kind of coal or coat |
| lignite | kind of brown, wood-textured coal |
| lignites | kind of brown, wood-textured coal |
| purdonium | a kind of coal-scuttle introduced by a Mr Purdon |
| purdoniums | PURDONIUM, a kind of coal-scuttle introduced by a Mr Purdon |
