| Name | Faber Castell 2/83 N Novo Duplex |
| Front Scales | T1 T2 K A DF = CF B CIF CI C = D DI S ST P |
| Back Scales | LL03 LL02 LL01 LL00 W2 = W2' CI L C W1' = W1 D LL0 LL1 LL2 LL3 |
| Type of Rule | Slide Rule |
| Material | Plastic |
| Dimension (mm) | 370x57x5 |
| Area of Use | Generic |
| Origin of Rule | Alessandro Manni's Collection |
| Match Number | 7061 |
| Comment | |
| Thumbnail |  |