| Name | Faber Castell 67/98 b Elektro Variant |
| Front Scales | 14cm / LL1 A = B CI C = D LL3 \ Dynamo-Motor h=% Volt |
| Back Scales | = sin lg tg = |
| Type of Rule | slide rule |
| Material | plastic |
| Dimension (mm) | 153x39.5x4.3 |
| Area of Use | electrical |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 1122 |
| Comment | |
| Thumbnail |  |