| Name | Tavernier Gravet |
| Front Scales | 20cm / A = B C = D ] 22cm #25-44cm# |
| Back Scales | = S CI T = |
| Type of Rule | slide rule |
| Material | wood/plastic |
| Dimension (mm) | 230x28x9 |
| Area of Use | generic |
| Origin of Rule | actual item |
| Match Number | 2494 |
| Comment | |
| Thumbnail | No Picture |