Faber-Castell 52/81
Slide Rules for this model:
Base
| Slide Rule ID | Manufacturer | Model Code | Lot Code |
|---|---|---|---|
| Faber-Castell | 52/81 | 2/74 | |
| Faber-Castell | 52/81 | 9/75 |
Slide Rules for this model:
| Slide Rule ID | Manufacturer | Model Code | Lot Code |
|---|---|---|---|
| Faber-Castell | 52/81 | 2/74 | |
| Faber-Castell | 52/81 | 9/75 |