| Name | Graphoplex 630 Geometre Topographe 400g Variant |
| Front Scales | 27cm / L B3 B = sinxcos cos2 S&T b = B B2 1/B2 |
| Back Scales | = sin sin&tg tg b2 = |
| Type of Rule | slide rule |
| Material | plastic |
| Dimension (mm) | 292x46x6 5 |
| Area of Use | generic |
| Origin of Rule | actual item |
| Match Number | 1310 |
| Comment | |
| Thumbnail | No Picture |