| Name | Sun Hemmi 64 Rietz Variant |
| Front Scales | 27cm / K A = B CI C = D L ] 13-0-13cm |
| Back Scales | = S S&T T = |
| Type of Rule | slide rule |
| Material | bamboo/ aluminium |
| Dimension (mm) | 293x40.5x11 |
| Area of Use | generic |
| Origin of Rule | Herman van Herwijnen |
| Match Number | 2431 |
| Comment | |
| Thumbnail |  |