Manufacturer: Aristo
Country of Manufacture: Germany
Type: Topograph 944
Number:  
Date of Manufacture: ~1937
Scales: (Front) cm/E-R, A [sin.cos, cos2, C] T1, T2, T3
Scales: (Back) [B, sin, sin2]
Number of Scales: 11
Gauge Points:  
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 1
Overall Length of Rule: 30.0 cm
Length of Scales: 25.0 cm
Width: 4.3 cm
Depth: 0.7 cm
Weight:  
Acquired from: Teresa Crabb
Date: December 2007
Condition: Severely warped.
Accessories: 
 Cardboard Case.
Comments: 
 An early stadia rule.