| Name | Tavernier Gravet |
| Front Scales | 25cm / A = B C = D ] 26cm #27-51cm# |
| Back Scales | = S T L = |
| Type of Rule | slide rule |
| Material | all wood |
| Dimension (mm) | 260x28.1x8.4 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 2493 |
| Comment | |
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