| Name | Tavernier Gravet |
| Front Scales | 25cm / LL2 A = B CI C = D LL3 #DYNAMO-MOTEUR VOLT# |
| Back Scales | = S S&T T = |
| Type of Rule | slide rule |
| Material | plastic |
| Dimension (mm) | 300x40x9 |
| Area of Use | electrical |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 2497 |
| Comment | |
| Thumbnail |  |