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
Acquired from: Jon Schneck
Date: Jan 2001
Condition: Medium
 Leather case. Poor condition
 Arrived with broken cursor. Cursor replaced
 with one from 4080-3