| Name | Nestler ? Landis & Gyr |
| Front Scales | "cm cos sin A(kWh) = B(kWhr) CI C = D(t"") WATT cm" |
| Back Scales | = a2+ L a2- = |
| Type of Rule | slide rule |
| Material | wood/plastic |
| Dimension (mm) | 290 |
| Area of Use | generic |
| Origin of Rule | actual item |
| Match Number | 1755 |
| Comment | |
| Thumbnail | No Picture |