Faber-Castell Mentor
Models in this series:
| Slide Rule ID | Model | Lot Code |
|---|---|---|
Model 163/81 | ||
| 163/81 | ||
Model 52/80 | ||
| 52/80 | 12/72 | |
| 52/80 | 4/70 | |
| 52/80 | 7/74 | |
| 52/80 | 11/76 | |
Models in this series:
| Slide Rule ID | Model | Lot Code |
|---|---|---|
Model 163/81 | ||
| 163/81 | ||
Model 52/80 | ||
| 52/80 | 12/72 | |
| 52/80 | 4/70 | |
| 52/80 | 7/74 | |
| 52/80 | 11/76 | |