| Name | Faber Castell 1/98/398 Elektro |
| Front Scales | 27cm / LL2 A = B CI C = D LL3 / K #Dynamo Motor Volt# |
| Back Scales | = sin lg tg = |
| Type of Rule | slide rule |
| Material | wood/plastic |
| Dimension (mm) | 300x39x10.5 |
| Area of Use | electrical |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 1179 |
| Comment | |
| Thumbnail |  |