Manufacturer: Aristo
Country of Manufacture: Germany
Type: 90121
Date of Manufacture: 1966
Scales: (Front) 9 specialized
Scales: (Back) 8 specialized
Number of Scales: 17
Gauge Points:  
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 2 front, 1 back
Overall Length of Rule: 33.7 cm
Length of Scales: 28.9 cm maximum
Width: 4.8 cm
Depth: 0.4 cm
Acquired from: Ken Goatley
Date: December 2010
Condition: Good
 Plastic box. Good condition
 Stand. Good condition
 Data card 1364. Good condition
 Instructions (English and German). Good condition.
Present from Ellen Loch-Lack