| Faber-Castell 1/22 Disponent | |
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Front |
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Back |
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Front without slide |
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| Back of slide | |
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| Bottom | |
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Box |
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| Length | 29 cm |
| Number of scales | 12 |
| Country of origin | Germany |
| Country of manufacturing | Germany |
| Year of manufacturing | 1954 |
| Status of the slide rule | Near mint |
| Material of the slide rule | Celluloid on wood |
| Status of the box | Near mint |
| Status of the manual | Yes |
| Collection number | 30 |
| Further comments |
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