Manufacturer: Aristo
Country of Manufacture: Germany
Type: Rietz ST 912
Number: 3 LI 1
Date of Manufacture: 1972
Scales: (Front) cm/ A [B, CI, C] D, L, K
Scales: (Back) [S, ST, T]
Number of Scales: 10
Gauge Points: π
Slide Rule made from: Plastic
Cursor made from: Plastic, slightly magnifying
Cursor Lines: 4 including kW, PS and d
Overall Length of Rule: 33.0 cm
Length of Scales: 25.0 cm
Width: 4.1 cm
Depth: 0.4 cm
Acquired from: Eureka Stockard
Date: April 2007
Condition: Good
 Plastic case.  Good condition
 Not mentioned in the Aristo catalogues.