| Alro 200R | |
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Front |
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Box open |
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In perspective |
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Metal box |
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| Cardboard Box | |
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| Diameter | 12 cm |
| Number of scales | 9 |
| Country of origin | Netherlands |
| Country of manufacturing | Netherlands |
| Year of manufacturing | 40-ies or 50-ies |
| Status of the slide rule | Mint |
| Material of the slide rule | Metal, plastic and paper |
| Type of cursor | Clear plastic |
| Status of the box | Near mint |
| Type of box | Carton |
| Status of the manual | Mint (see here) |
| Collection number | Sold again |
| Further comments | Alro was a small Dutch manufacturer
of circular slide rules.
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