Manufacturer: Aristo
Country of Manufacture: Germany
Type: 81
Number:  
Date of Manufacture:  
Scales: (Front) cms/ A [B, C] D
Scales: (Back) [S, L, T]
Number of Scales: 7
Gauge Points: π,C, C1
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 1
Overall Length of Rule: 12.0 cm
Length of Scales: 10.0 cm
Width: 2.2 cm
Depth: 0.3 cm
Weight:  
Acquired from: Kathy Sorsdahl
Date: April 2011
Condition: Medium
Accessories:
 Leather sheath. Good condition
Comments: