Manufacturer:	Aristo
Country of Manufacture:	Germany
Type:	622 Circular
Number:
Date of Manufacture:	~1960
Scales: (Front)	K, A, C [D, DI]
Scales: (Back)	None
Number of Scales:	5
Gauge Points:
Slide Rule made from:	Plastic
Cursor made from:	Plastic
Cursor Lines:	1
Overall Length of Rule:	Diameter 12 cm
Length of Scales:
Width:
Depth:	0.3 cm
Weight:	40 gm
Acquired from:	Dan Eckes
Date:	Nov 2000
Condition:	Good
Accessories:	Leather case. Good condition Instructions (English). Good condition
Comments: