Manufacturer:	Aristo
Country of Manufacture:	Germany
Type:	Circular 621
Number:
Date of Manufacture:
Scales: (Front)	%, C [D] conversion points
Scales: (Back)	Instructions
Number of Scales:	3
Gauge Points:	π
Slide Rule made from:	Plastic
Cursor made from:	Plastic
Cursor Lines:	1
Overall Length of Rule:	12.0 cm Diameter
Length of Scales:
Width:
Depth:	0.6 cm
Weight:
Acquired from:	Juergen Kuhse
Date:	Jan 2004
Condition:	Good
Accessories:	Leather sheath. Good condition.
Comments: