| Manufacturer: |
Faber Castell |
| Country of Manufacture: |
Germany |
| Type: |
57/86 Columbus |
| Number: |
|
| Date of Manufacture: |
After 1962 |
| Scales: (Front) |
cm / A [B, C] D |
| Scales: (Back) |
None |
| Number of Scales: |
4 |
| Gauge Points: |
π, C, C1 |
| Slide Rule made from: |
Plastic |
| Cursor made from: |
Plastic |
| Cursor Lines: |
3 (q/kW, d, PS) |
| Overall Length of Rule: |
29.9 cm |
| Length of Scales: |
25 cm |
| Width: |
3.2 cm |
| Depth: |
0.5 cm |
| Weight: |
|
| Acquired from: |
|
| Date: |
|
| Condition: |
Good |
| Accessories: |
Plastic case
|
| Comments: |
|