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: