Manufacturer: Aristo
Country of Manufacture: Germany
Type: Multi Rietz 909
Date of Manufacture: 157-64
Scales: (Front) K, DF [CF, CIF, CI, C] D, L
Scales: (Back) P, A [ B, T, ST, S] D, DI
Number of Scales: 16
Gauge Points: π, p", p'
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 4 front (including HP), 2 back
Overall Length of Rule: 33.7 cm
Length of Scales: 25.0 cm
Width: 4.4 cm
Depth: 0.4 cm
Acquired from: Frank Andrews
Date: Jan 2006
Condition: Medium
 Cardboard Case. (Good condition)