Manufacturer: Sans and Streiffe
Country of Manufacture: Japan ?
Type: 311
Date of Manufacture:  
Scales: (Front) LL0, LL00, A [B, K, CI, C] D, S, ST, T
Scales: (Back) L, LL1, DF [CF, CIF, CI, C] D, LL3, LL2
Number of Scales: 21
Gauge Points: π, M, C, C1, e
Slide Rule made from: Bamboo and Plastic with Metal End Pieces
Cursor made from: Plastic
Cursor Lines: 1 front, 1 back
Overall Length of Rule: 32.3 cm
Length of Scales: 25 cm
Width: 3.9 cm
Depth: 0.6 cm
Weight: 113 gm
Acquired from: Stanley Bond
Date: Nov 2000
Condition: Good
 Cardboard box.  Good condition
 Leather case.  Good condition