| Name | Blundell DM 6 Instruction rule |
| Front Scales | L LL2 LL3 A = B CI C = D S T ST |
| Back Scales | |
| Type of Rule | slide rule |
| Material | wood/plastic |
| Dimension (mm) | 1520x x |
| Area of Use | generic |
| Origin of Rule | brochure |
| Match Number | 2950 |
| Comment | |
| Thumbnail | No Picture |