| Manufacturer: |
Compass |
| Country of Manufacture: |
U.S.A. |
| Type: |
1321 |
| Number: |
HK-3 |
| Date of Manufacture: |
|
| Scales: (Front) |
LL0, LL00, A [B, K, CI, C] D, S, ST, T |
| Scales: (Back) |
L, LL1, DF [CF, CIF, CI, C] D, LL3, LL2 |
| Number of Scales: |
21 |
| Gauge Points: |
M, π, C, C1, e |
| Slide Rule made from: |
Bamboo and Plastic. Metal End Pieces |
| Cursor made from: |
Plastic |
| Cursor Lines: |
1 front, 1 back |
| Overall Length of Rule: |
32.2 cm |
| Length of Scales: |
25 cm |
| Width: |
4.0 cm |
| Depth: |
0.7 cm |
| Weight: |
113 gm |
| Acquired from: |
Clarke Green |
| Date: |
Nov 2000 |
| Condition: |
Good |
| Accessories: |
Leather case. Good condition
|
| Comments: |
|