| Name | Graphoplex 615 |
| Front Scales | 17cm / K A = B CI C = D L |
| Back Scales | = S ST T = |
| Type of Rule | slide rule |
| Material | plastic |
| Dimension (mm) | 185x32x4 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 1301 |
| Comment | |
| Thumbnail |  |
| Name | Graphoplex 615 |
| Front Scales | 17cm / K A = B CI C = D L |
| Back Scales | = S ST T = |
| Type of Rule | slide rule |
| Material | plastic |
| Dimension (mm) | 185x32x4 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 1301 |
| Comment | |
| Thumbnail | |