| Manufacturer: | C-Thru | 
  | Country of Manufacture: | U.S.A. | 
  | Type: | S889 | 
  | Number: |  | 
  | 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 | 
  | Accessories: |  Soft plastic case.  Good condition
 | 
  | Comments: |  Very similar to Sterling 594
 |