| Name | IWA 0272 Muiderkring |
| Front Scales | K S T A = B CI C = D L 20cm |
| Back Scales | l w f = C = L Rc = C = RL |
| Type of Rule | slide rule |
| Material | perspex |
| Dimension (mm) | 231x40x2.5 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 1400 |
| Comment | |
| Thumbnail |  |