| Manufacturer: |
Charvoz-Roos |
| Country of Manufacture: |
U.S.A. |
| Type: |
Trig-O-Log SR-III |
| Number: |
|
| Date of Manufacture: |
|
| Scales: (Front) |
L, LL1, DF [CF, CIF, CI, C] D, LL3, LL2 |
| Scales: (Back) |
LL0, LL00, A [B, K, CI, C] S, ST, T |
| Number of Scales: |
20 |
| Gauge Points: |
π, e, s, s' |
| Slide Rule made from: |
Bamboo and Plastic. Metal End Plates |
| Cursor made from: |
Plastic |
| Cursor Lines: |
1 front, 1 back |
| Overall Length of Rule: |
31 cm |
| Length of Scales: |
25 cm |
| Width: |
3.8 cm |
| Depth: |
0.6 cm |
| Weight: |
96 gm |
| Acquired from: |
Vince Nowell |
| Date: |
Nov 2000 |
| Condition: |
Medium |
| Accessories: |
Leather case. Average condition
|
| Comments: |
|