Manufacturer: Keuffel and Esser
Country of Manufacture: U.S.A.
Type: 68-1100 Decilon
Number: 182931
Date of Manufacture:  
Scales: (Front) Ln-3, Ln-2, Ln-1, Ln-0, A [B, T, SRT, S, C] D, DI, K
Scales: (Back) Sq1, Sq2, DF [CF, CIF, L, CI, C] D, Ln0, Ln1, Ln2, Ln3
Number of Scales: 26
Gauge Points: π, re, q, n', n'', R, N, e
Slide Rule made from: Plastic with Metal End Pieces
Cursor made from: Plastic with Partial Metal Frame
Cursor Lines: 1 front, 1 back
Overall Length of Rule: 32.8 cm
Length of Scales: 24.9 cm
Width: 5.0 cm
Depth: 0.5 cm
Weight: 117 gm
Acquired from: Adrian Lovett
Date: Oct 2000
Condition: Good
 Leather case.  Good condition
 Present from Adrian