Manufacturer: Aristo
Country of Manufacture: Germany
Type: Junior Trig
Number: 3LR 12
Date of Manufacture: 1971
Scales: (Front) DF [CF, CIF, CI, C] D, A, K
Scales: (Back) ST, T1, T2 [CI, C] D, P, S
Number of Scales: 16
Gauge Points: π
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 4 front (including V, q, d), 1 back
Overall Length of Rule: 32.8 cm
Length of Scales: 25.0 cm
Width: 4.4 cm
Depth: 0.4 cm
Weight: 72 gms
Acquired from: Gerhard Hermanns
Date: April 2002
Condition: Good
 Plastic case. Good condition
 Instructions (German). Good condition