| Manufacturer: | Aristo |
|---|---|
| Country of Manufacture: | Germany |
| Type: | Praktiker 845 |
| Number: | G531 |
| Date of Manufacture: | 1953 |
| Scales: (Front) | cm // %,KZ [T2, P, T1] Z |
| Scales: (Back) | [$, s/d] // inch |
| Number of Scales: | 8 |
| Gauge Points: | π |
| Slide Rule made from: | Plastic |
| Cursor made from: | Plastic |
| Cursor Lines: | 1 |
| Overall Length of Rule: | 15.4 cm |
| Length of Scales: | 14.1 cm (max) |
| Width: | 3.3 cm |
| Depth: | 0.4 cm |
| Weight: | |
| Acquired from: | Susan Udale |
| Date: | Jan 2009 |
| Condition: | Good |
| Accessories: | Leather sheath. Good condition |
| Comments: | Doesn't appear in the "Aristo Book" |