Manufacturer: Aristo
Country of Manufacture: Germany
Type: 90193
Date of Manufacture:  
Scales: (Front) A, C, D + 9 specialised
Scales: (Back) 13 specialised
Number of Scales: 25
Gauge Points: 1469
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 2 front, 2 back
Overall Length of Rule: 33.8 cm
Length of Scales: 25.0 cm + 2.2 cm ext
Width: 4.8 cm
Depth: 0.5 cm
Acquired from: Karl-Heinz Dumplemann
Date: November 2003
Condition: Good
 Plastic case. Good condition
 Instructions (German). Good condition.
 Aristo Tab 50 plastic strip with graphs. Good condition
 A specialised slide rule for fluid flow.