| Name | Logarex 27251 |
| Front Scales | 13cm /P K A = B CI C = D sin cos tg cotg |
| Back Scales | = LL1 LL2 LL3 = 5inch |
| Type of Rule | slide rule |
| Material | plastic |
| Dimension (mm) | 154x37x4 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 1614 |
| Comment | |
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