| Name | Nestler 0251 Alpha |
| Front Scales | K A = B CI C = D L |
| Back Scales | S ST T |
| Type of Rule | slide rule |
| Material | Anagit |
| Dimension (mm) | 300x40x4 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 1956 |
| Comment | |
| Thumbnail |  |
| Name | Nestler 0251 Alpha |
| Front Scales | K A = B CI C = D L |
| Back Scales | S ST T |
| Type of Rule | slide rule |
| Material | Anagit |
| Dimension (mm) | 300x40x4 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 1956 |
| Comment | |
| Thumbnail | |