| Manufacturer: |
Diwa |
| Country of Manufacture: |
Denmark |
| Type: |
901 |
| Number: |
|
| Date of Manufacture: |
1952+ |
| Scales: (Front) |
LL0, LL00, A [ B, T, ST, S] D, DI, K |
| Scales: (Back) |
L, LL1, DF [CF, CIF, CI, C] D, LL3, LL2 |
| Number of Scales: |
20 |
| Gauge Points: |
π |
| Slide Rule made from: |
Mahogany and Plastic with Metal End Pieces |
| Cursor made from: |
Plastic |
| Cursor Lines: |
1 front, 1 back |
| Overall Length of Rule: |
31 cm |
| Length of Scales: |
25 cm |
| Width: |
4.0 cm |
| Depth: |
0.6 cm |
| Weight: |
96 gm |
| Acquired from: |
Robert Holden |
| Date: |
Feb 2001 |
| Condition: |
Medium |
| Accessories: |
Cardboard box. Poor condition
Leather case. Good condition
|
| Comments: |
|