| Faber-Castell 63/87 System Rietz | |
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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 | 15 cm |
| Number of scales | 10 |
| Country of origin | Germany |
| Country of manufacturing | Germany |
| Year of manufacturing | 1941 |
| Status of the slide rule | Normal signs of use |
| Material of the slide rule | Celluloid on wood |
| Type of cursor | Celluloid |
| Status of the box | Normal signs of use |
| Type of box | Leather |
| Status of the manual | None |
| Collection number | 159 |
| Further comments | This slide rule seems to show that
raw materials were getting more scarce during the war. The celluloid of
the slide ule is thinner than of similar slide rules from a few years
before. Also the leather of the pouch is of inferior quality.
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