| Name | Keuffel & Esser 100 Demonstration Slide Rule, Mannheim type, with two screw eyes for suspending |
| Front Scales | A = B CI C = D K |
| Back Scales | = S L T = |
| Type of Rule | |
| Material | Wood, composition unspecified in catalogs |
| Dimension (mm) | |
| Area of Use | |
| Origin of Rule | Michael O'Leary |
| Match Number | 4116 |
| Comment | |
| Thumbnail | No Picture |