Manufacturer: Aristo
Country of Manufacture: Germany
Type: 40140
Date of Manufacture:  
Scales: (Front) h, A [kz, B, CI, C, kz, kz] D, fe, fe
Scales: (Back) [kz, B, CI, C, kz, kz] and tables
Number of Scales: 16
Gauge Points:  
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 10
Overall Length of Rule: 32.0 cm
Length of Scales: 20.0 cm + 7.4 cm extension
Width: 6.0 cm
Depth: 0.4 cm
Acquired from: Harald Schmitz
Date: May 2003
Condition: Good
 Leather sheath.  Good condition
 A very specialized untypical Aristo Rule.
 Used for steel calculations.