| Clue | Answer |
|---|---|
| William Grove Invented The First __ In 1842 Next Clue: Creating Items With Clay And Firing Them | Fuelcell Back to Group 51 |
| Clue | Answer |
|---|---|
| William Grove Invented The First __ In 1842 Next Clue: Creating Items With Clay And Firing Them | Fuelcell Back to Group 51 |