| Clue | Source | Date |
|---|---|---|
| Vertical measure in Minecraft | Wall Street Journal | 15 Feb 2024 |
| Surveying device with letter-shaped rests | New York Times | 29 Aug 2015 |
| European ready in line that's set up engineering equipment | The Telegraph Toughie | 19 Jun 2015 |
| Surveying device with letter-shaped rests | ||
| Rotating surveying tool | ||
| Surveying tool using a letter-shaped support | ||
| Surveyor's tool | ||
| Surveying instrument | ||
| Surveyor's instrument |