Log Log Vector
| Manufacturer | Keuffel & Esser |
| Model | 4093-3 Log Log Vector |
| Serial No. | 385715 |
| Scale length | 25 cm |
| Overall length | 31.7 cm |
| Width | 4.0 cm |
| Body/Slide materials | Celuloid on Mahogany |
| Post materials | Metal |
| Cursor materials | Celuloid / Glass |
| Scales |
L LL0 DF [CF B CI C] D LL3 LL2 Sh1 Sh2 Th [SI1 SI2 TI] D S T |
| Accessories | Tan leather case with mostly torn flap. |
| Notes | Cracked cursor glass, corner chips still present. |
| Tag No. | KE-4093-3 |