Manufacturer: Aristo
Country of Manufacture: Germany
Type: Rietz 89
Number: 3LR 6
Date of Manufacture: 1971
Scales: (Front) cm / K,A [B,CI,C] D, L
Scales: (Back) [S, ST, T]
Number of Scales: 10
Gauge Points: π,C, C1, p'', p'
Slide Rule made from: Plastic
Cursor made from: Plastic slightly magnifying
Cursor Lines: 4
Overall Length of Rule: 15.7 cm
Length of Scales: 12.5 cm + 1.1 cm extension
Width: 3.2 cm
Depth: 0.5 cm
Weight: 23 gms
Acquired from: Georg Schreiber
Date: Nov 2001
Condition: Good
 Cardboard box. Medium condition
 Leather sheath. Good condition