Manufacturer: Aristo
Country of Manufacture: Germany
Type: 80151
Date of Manufacture:  
Scales: (Front) cms/ Bn 150 ke, A [ B, CI, C] D, Bn 250 ke
Scales: (Back) [S, ST, T]
Number of Scales: 10
Gauge Points: π, C, p', p'', C1
Slide Rule made from: Plastic
Cursor made from: Plastic slightly magnifying
Cursor Lines: 1
Overall Length of Rule: 15.8 cm
Length of Scales: 12.5cm + 1.2 cm extension
Width: 3.2 cm
Depth: 0.5 cm
Acquired from: Zuber Dieter
Date: October 2003
Condition: Good
 Leather sheath. Good condition
 For structural steel calculations.