| Faber-Castell 3/11 | |
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Front |
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Back |
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Front without slide |
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Back of the slide |
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Bottom of the slide rule |
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| Box | |
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| Length | 38.5 14cm |
| Number of scales | 6 |
| Country of origin | USA |
| Country of manufacturing | Germany |
| Year of manufacturing | 1944 |
| Status of the slide rule | Near mint |
| Material of the slide rule | Celluloid on wood |
| Type of cursor | Clear plastic |
| Status of the box | Near mint |
| Status of the manual | None |
| Collection number | 174 |
| Further comments | The 3/11 is a very rare slide rule,
designed for designing steel structures. I have not been able to find a
manual, so its operation is still a mysterie for me.
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