| Name | Logarex 27401-X Rietz (Koh-I-Noor) |
| Front Scales | K A = B CI C = D L |
| Back Scales | = S ST T = |
| Type of Rule | Slide Rule |
| Material | Plastic |
| Dimension (mm) | 300x42x5 |
| Area of Use | Generic |
| Origin of Rule | Angel Carrasco's Collection |
| Match Number | 7105 |
| Comment | |
| Thumbnail |  |