| Name | "Keuffel & Esser 9050 - 1 Merchants' Pocket - ""Doric""" |
| Front Scales | DF = CF CI C = D L |
| Back Scales | |
| Type of Rule | |
| Material | Ivorite Precison Molded ABS |
| Dimension (mm) | |
| Area of Use | |
| Origin of Rule | Michael O'Leary |
| Match Number | 4351 |
| Comment | |
| Thumbnail | No Picture |