Manufacturer: Aristo
Country of Manufacture: Germany
Type: 80126 Optician
Date of Manufacture: 1961
Scales: (Front) [C, CI] D and 3 specialised scales
Scales: (Back) 6 specialised scales
Number of Scales: 12
Gauge Points: π + specialised gauge points
Slide Rule made from: Plastic
Cursor made from: Plastic, slightly magnifying
Cursor Lines: 1 front, 1 back
Overall Length of Rule: 17.3 cm
Length of Scales: 12.5 cm + 1.1 cm extension
Width: 3.8 cm
Depth: 0.3 cm
Acquired from: Rolf Kirstein
Date: May 2011
Condition: Good
 Leather sheath.  Good condition
 Instructions (German)