| Name | Graphoplex 699 Decilog |
| Front Scales | LL01 L A = B T SRT S C = D DI LL1 |
| Back Scales | LL02 LL03 DF = CF CIF K CI C = D LL3 LL2 |
| Type of Rule | slide rule |
| Material | plastic |
| Dimension (mm) | 332x39x4.2 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 1331 |
| Comment | |
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