| Manufacturer: | Aristo |
|---|---|
| Country of Manufacture: | Germany |
| Type: | Naviat 661 |
| Number: | |
| Date of Manufacture: | |
| Scales: (Front) | 6 specialised |
| Scales: (Back) | 11 x 25 cm plotting surface |
| Number of Scales: | 6 front, 3 on rear |
| Gauge Points: | |
| Slide Rule made from: | Plastic |
| Cursor made from: | Plastic |
| Cursor Lines: | 1 |
| Overall Length of Rule: | 25 cm. Diameter of circular section 14.0 cm |
| Length of Scales: | |
| Width: | |
| Depth: | 0.7 cm |
| Weight: | |
| Acquired from: | Kay Dennert |
| Date: | February 2006 |
| Condition: | Good |
| Accessories: | Leather case. Good condition Instructions (German). Good condition |
| Comments: |