Manufacturer: Aristo
Country of Manufacture: Germany
Type: Circular 630 Chemie
Number:  
Date of Manufacture:  
Scales: (Front) C [D, 6 specialised scales]
Scales: (Back)  
Number of Scales: 8
Gauge Points:  
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 1
Overall Length of Rule: 22.0cm diameter
Length of Scales:  
Width:  
Depth: 0.3 cm
Weight:  
Acquired from: Hans Schellenberg
Date: February 2012
Condition: Good
Accessories:
 Leather Sheath. (Good condition)
 Instructions (German). (Good condition)
Comments: