| Manufacturer: |
Aristo |
| Country of Manufacture: |
Germany |
| Type: |
0971 Hyperbolog |
| Number: |
HFO 3 |
| Date of Manufacture: |
1965 |
| Scales: (Front) |
Th, K, A [B, T, ST, S, C] D, DI, Sh2, Sh1 |
| Scales: (Back) |
LL01, LL02, LL03, DF [CF, CIF, L, CI, C] D, LL3, LL2, LL1 |
| Number of Scales: |
25 |
| Gauge Points: |
π, p, p', e |
| Slide Rule made from: |
Plastic |
| Cursor made from: |
Plastic |
| Cursor Lines: |
4 on front, 2 on back |
| Overall Length of Rule: |
33.8 cm |
| Length of Scales: |
25.0 cm + 2.8 cm extension |
| Width: |
4.8 cm |
| Depth: |
0.4 cm |
| Weight: |
|
| Acquired from: |
John Quinn |
| Date: |
March 2005 |
| Condition: |
Good |
| Accessories: |
Plastic case. Good condition
|
| Comments: |
|