| Name | Relay T 1031 |
| Front Scales | 25cm / K A = B CI C = D L ] 8inch |
| Back Scales | = T2 T1 ST S = |
| Type of Rule | slide rule |
| Material | bamboo |
| Dimension (mm) | 291x41.7x11.2 |
| Area of Use | generic |
| Origin of Rule | actual item |
| Match Number | 2259 |
| Comment | |
| Thumbnail | No Picture |