Manufacturer: C-Thru
Country of Manufacture: U.S.A.
Type: S889
Date of Manufacture:  
Scales: (Front) LL02, LL03, DF [CF, CIF, CI, C] D, LL3, LL2
Scales: (Back) LL01, K, A [ B, T, ST, S] D, L, LL1
Number of Scales: 20
Gauge Points: π, M, e
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 1 front, 1 back
Overall Length of Rule: 31.6 cm
Length of Scales: 25 cm
Width: 4.0 cm
Depth: 0.3 cm
Weight: 68 gm
Acquired from: Dick Rose
Date: June 2000
Condition: Good
 Soft plastic case.  Good condition
 Very similar to Sterling 594