| Unknown brand | |
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Front |
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Front without slide |
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Sleeve |
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| Length | 15 cm |
| Number of scales | 11 |
| Country of origin | Germany |
| Country of manufacturing | Germany |
| Year of manufacturing | |
| Status of the slide rule | Normal signs of use |
| Material of the slide rule | Plastic |
| Type of cursor | Clear plastic |
| Status of the box | Normal signs of use: light brown leather |
| Status of the manual | None |
| Collection number | 229 |
| Further comments | There is no indication of any manufacturer on the slide rule. This slide rule was a gift from Tropholith-Werk, Edelputz und Hartbeton, Misburg Hafen/Hannover. |
