| Manufacturer: |
Aristo |
| Country of Manufacture: |
Germany |
| Type: |
Tire Construction 90187 |
| Number: |
|
| Date of Manufacture: |
~1959 |
| Scales: (Front) |
L, 3 special [4 special, C] D, 3 cube roots |
| Scales: (Back) |
2 square roots, 2 special [6 special] 5 special |
| Number of Scales: |
28 |
| Gauge Points: |
π,q |
| Slide Rule made from: |
Plastic |
| Cursor made from: |
Plastic |
| Cursor Lines: |
1 front, 1 back |
| Overall Length of Rule: |
33.6 cm |
| Length of Scales: |
25.0 cm + 2.2 cm extension |
| Width: |
4.8 cm |
| Depth: |
0.4 cm |
| Weight: |
|
| Acquired from: |
Gift from Dean Butler |
| Date: |
June 2013 |
| Condition: |
Good |
| Accessories: |
|
| Comments: |
|