Manufacturer: Aristo
Country of Manufacture: Germany
Type: 80135
Date of Manufacture: 1966+
Scales: (Front) cm W [V, CI, C] D, A, K, L
Scales: (Back) ins Capacity [P, N] Q
Number of Scales: 13
Gauge Points: π
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 3 front including kW, PS, 2 back (kW and PS)
Overall Length of Rule: 16.9 cm
Length of Scales: 12.5 cm + 1.1 cm extension
Width: 3.8 cm
Depth: 0.3 cm
Acquired from: Kim Mergenthal
Date: May 2003
Condition: Good
 Leather sheath. Good condition.
 Two cards for operation of rule.
 Rule used in the paper industry.