| Faber-Castell 20/68 Parafix | |
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Front |
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Back |
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Front of pouch |
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Back of pouch |
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| Length | 28cm |
| Number of scales | 19 |
| Country of origin | Australia |
| Country of manufacturing | Germany |
| Year of manufacturing | 1957 |
| Status of the slide rule | Normal signs of use |
| Material of the slide rule | Plastic |
| Type of cursor | Clear plastic |
| Status of the box | Slight damage |
| Collection number | 167 |
| Further comments | A slide rule like calculator for
conversions between American, English and metric weights and measuring
units.
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