| Manufacturer | Keuffel & Esser |
| Model | 4080-3 |
| Serial No. | 142376 |
| Scale length | 25 cm |
| Overall length | 34.3 cm |
| Width | 4.0 cm |
| Body/Slide materials | Celuloid on Mahogany |
| Post materials | Metal |
| Cursor materials | Celuloid / Metal / Glass |
| Scales |
L LL1 DF [CF CIF CI C] D LL3 LL2 LL0 LL00 A [B T ST C] D DI K |
| Accessories | Tan leather case with replacement flap. |
| Notes | "New style" replacement cursor. Inscribed J.L. Blake |
| Tag No. | KE-4080-3 |