| Faber-Castell 111/66 Demegraph | |
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Front |
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Front without slide |
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| Back of the slide | |
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Strip with tables |
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| Box | |
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| Length | 30 cm |
| Number of scales | 11 |
| Country of origin | Germany |
| Country of manufacturing | Germany |
| Year of manufacturing | 1971 |
| Status of the slide rule | Normal signs of use |
| Material of the slide rule | Plastic |
| Type of cursor | Clear plastic (notice the bright red line!) |
| Status of the box | Normal signs of use |
| Status of the manual | None |
| Collection number | 193 |
| Further comments | This slide rule seems to be a merger
of a 2/66/d and a 22-series slide rule. The 66-series was
developed specially for typographers.
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