| Norma Grafia 190 | |
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Back |
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Sleeve |
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| Diameter | 19 cm |
| Number of scales | 2 |
| Country of origin | Germany |
| Country of manufacturing | Germany |
| Year of manufacturing | 1965 |
| Status of the slide rule | Signs of heavy use |
| Material of the slide rule | Metal (steel?) |
| Type of cursor | Clear plastic |
| Status of the box | Normal signs of use: black & clear plastic. |
| Status of the manual | Near mint. |
| Collection number | 14 |
| Further comments | Very simple circular slide rule. If it were not for the name and part of the manual, there is nothing special "graphical"about it. |
