Manufacturer: |
Keuffel and Esser |
Country of Manufacture: |
U.S.A. |
Type: |
4083-3 Log Log Duplex Vector |
Number: |
789047 |
Date of Manufacture: |
|
Scales: (Front) |
L, LL1, DF [CF, CIF, CI, C] D, LL3, LL2 |
Scales: (Back) |
LL0, LL00, A [B, T, ST, S] D, Th, Sh2, Sh1 |
Number of Scales: |
21 |
Gauge Points: |
π, q, e |
Slide Rule made from: |
Bamboo and Plastic with Metal End Pieces |
Cursor made from: |
Glass with Metal Frame |
Cursor Lines: |
1 front, 1 back |
Overall Length of Rule: |
31.8 cm |
Length of Scales: |
25 cm |
Width: |
4.1 cm |
Depth: |
0.6 cm |
Weight: |
|
Acquired from: |
Jon Schneck |
Date: |
Jan 2001 |
Condition: |
Medium |
Accessories: |
Leather case. Poor condition
Arrived with broken cursor. Cursor replaced
with one from 4080-3
|
Comments: |
|