| Name | Tavernier Gravet |
| Front Scales | 27cm / K A = B CI C = D L ] 10inch |
| Back Scales | = S ST T = |
| Type of Rule | slide rule |
| Material | wood/celluloid |
| Dimension (mm) | 293x38x11 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 2029 |
| Comment | |
| Thumbnail |  |