| Name | Diwa 561 Log Log |
| Front Scales | 25cm 10inch / L K A = B CI C = D LL1 LL2 LL3 |
| Back Scales | = S S&T T = |
| Type of Rule | slide rule |
| Material | plastic |
| Dimension (mm) | 295x46.7X5.7 |
| Area of Use | generic |
| Origin of Rule | actual item |
| Match Number | 776 |
| Comment | |
| Thumbnail | No Picture |