| Name | Aristo 814 Elektro (Ahrend 690/1) Variant |
| Front Scales | 13cm / LL2 A = B CI C = D LL3 #V D/M(=) G/M3~)# |
| Back Scales | = sin lg tg = 5inch |
| Type of Rule | slide rule |
| Material | plastic |
| Dimension (mm) | 154x32x3.6 |
| Area of Use | electrical |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 3980 |
| Comment | |
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