| Name | Nestler 23 a Rietz Variant |
| Front Scales | 39cm / K A = B CI C = D L ] 41cm |
| Back Scales | = S ST T = |
| Type of Rule | slide rule |
| Material | wood/plastic |
| Dimension (mm) | 410x42.5x12.6 |
| Area of Use | generic |
| Origin of Rule | description/copy |
| Match Number | 2997 |
| Comment | |
| Thumbnail | No Picture |