| Faber-Castell 378 | |
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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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| Box | |
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| Length | 29 cm |
| Number of scales | 13 |
| Country of origin | United Kingdom |
| Country of manufacturing | Germany |
| Year of manufacturing | 1923 |
| Status of the slide rule | Slightly damaged |
| Material of the slide rule | Celluloid on wood |
| Status of the box | Heavily damaged |
| Status of the manual | None |
| Collection number | 108 |
| Further comments | On both the box and
the slide rule is the name F. Hesoun. The 378 looks like a more advanced
version of the 368.
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