Manufacturer: Aristo
Country of Manufacture: Germany
Type: Commerz III No. 623
Number:  
Date of Manufacture:  
Scales: (Front) C [D ,DI,% and many constants
Scales: (Back)  
Number of Scales: 4
Gauge Points: π
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 1
Overall Length of Rule: 12.2 cm diameter
Length of Scales:  
Width:  
Depth: 0.2 cm
Weight:  
Acquired from: Martin Melzer
Date: February 2003
Condition: Good
Accessories:
 Leather sheath. Good condition
Comments: