| Clue | Answer |
|---|---|
| beaded Counting Device Invented In Ancient Sumeria Next Clue: __ Rays, High Energy Radiation From Space | Abacus Back to Group 229 |
| Clue | Answer |
|---|---|
| beaded Counting Device Invented In Ancient Sumeria Next Clue: __ Rays, High Energy Radiation From Space | Abacus Back to Group 229 |