Manufacturer: Aristo
Country of Manufacture: Germany
Type: Simplex 911
Number:  
Date of Manufacture:  
Scales: (Front) ins/ A [B, C] D
Scales: (Back)  
Number of Scales: 4
Gauge Points: π, C, C1
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 3 including HP
Overall Length of Rule: 29.0 cms
Length of Scales: 25.1 cm
Width: 3.2 cm
Depth: 0.4 cm
Weight:  
Acquired from: Roger Cowley
Date: Oct 2005
Condition: Medium
Accessories: 
 Cardboard case. Condition medium.
Comments: