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Details and Image
| Item# | Type | Model | Model Name | Maker | Country | Material | Scale Length | Date | Condition |
| FAB011 | Linear | 63/87R | Rietz/Addiator | Faber-Castell | Germany | Pearwood | 12.5 cm | 1940 | C6 |
Notes: Small addiator device for doing addition & subtraction on the back of a Rietz System slide rule.
Click on the Condition Code to obtain more details.
