1. As its model name suggests this is a learner's rule.
2. There is no indication of the country of origin on the rule.
Front view
Detail - front left
Detail - front right
| Slide rules HOME page | COLLECTION | 10" RULES | GERMANY |
| Make | Aristo, Germany |
| Model | Scholar 903 |
| Notes 1. As its model name suggests this is a learner's rule. |
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Front view |
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Detail - front left |
Detail - front right
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| Manufacturing date | c 1970 |
| Length | 10" |
| Material | Plastic |
| Scales | L, K, A [ B, CI, C] D, S, ST, T |
| Cursor | Plastic |
| Hair lines | Four |