| Manufacturer: |
Aristo |
| Country of Manufacture: |
Germany |
| Type: |
958 Geodat 400g |
| Number: |
561 |
| Date of Manufacture: |
1956 |
| Scales: (Front) |
ctg, T, arc, DF [CF, CIF, CI, C] D, P, S, C |
| Scales: (Back) |
1-cos, 1-cos, A [ B,1/tan(a/2), sincos, cos2 ] D, L, K |
| Number of Scales: |
22 |
| Gauge Points: |
d, π |
| Slide Rule made from: |
Plastic |
| Cursor made from: |
Plastic |
| Cursor Lines: |
2 front, 3 back (including ER) |
| Overall Length of Rule: |
33.8 cm |
| Length of Scales: |
25.0 cm C/D, 27.0 cm CF/DF |
| Width: |
4.8 cm |
| Depth: |
0.5 cm |
| Weight: |
|
| Acquired from: |
Dieter Mannhart |
| Date: |
June 2006 |
| Condition: |
Good |
| Accessories: |
Cardboard box. Condition medium
Instruction (German). Condition medium
|
| Comments: |
|