Manufacturer: Aristo
Country of Manufacture: Germany
Type: Praktiker 945
Number: G 542
Date of Manufacture: 1954
Scales: (Front) cm/ %, KZ [T2, P1, T1] Z, A
Scales: (Back) [ , s/d] inch
Number of Scales: 9
Gauge Points:  
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 1
Overall Length of Rule: 29.8
Length of Scales: 25.0 cm + 3.1 cm extension
Width: 4.1 cm
Depth: 0.6 cm
Weight: 82 gms
Acquired from: Klaus Kuffner
Date: Jan 2002
Condition: Good
Accessories:
 Cardboard Box.  Good condition
Comments:
 Very high gloss.  No scales actually
 labelled on rule.  I have used the notation from
 my Commerz 2 rather than the more usual CF/DF etc.