| Name | Gamma Budapest 2503 |
| Front Scales | 27cm L / K A = B CI C = D P / sin tg |
| Back Scales | = LL1 LL2 LL3 = |
| Type of Rule | slide rule |
| Material | wood/plastic |
| Dimension (mm) | 295x38.8x11.4 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 1258 |
| Comment | |
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