Manufacturer: Aristo
Country of Manufacture: Germany
Type: Circular 60155
Number:  
Date of Manufacture: 1971
Scales: (Front) C [D, %]
Scales: (Back) None
Number of Scales: 3
Gauge Points:  
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 Spock
Date: Jul 2013
Condition: Good
Accessories:
 Plastic sheath. Good condition
Comments:
 A slightly extended version of the 603