|
Graphoflex 690a |
|
Front |
|
 |
|
Back |
|
 |
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Box |
|
 |
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|
| Length |
30 cm |
| Number of scales |
26 |
| Country of origin |
Netherlands |
| Country of manufacturing |
France |
| 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 |
| Type of box |
Plastic |
| Status of the manual |
None |
| Collection number |
50 |
| Further comments |
I got this slide rule from a
collegue, who used it when he was at university. |
|
