Manufacturer: Aristo
Country of Manufacture: Germany
Type: Rietz 109
Number: 632
Date of Manufacture: 1963
Scales: (Front) cms/ K, A [B, CI, C] D, L
Scales: (Back) [S, ST, T] /ins
Number of Scales: 10
Gauge Points: π, C, p'', p', C1
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 4
Overall Length of Rule: 58.0 cm
Length of Scales: 50.0 cm + 5.7 cm ext
Width: 4.1 cm
Depth: 0.7 cm
Acquired from: Ted Hume
Date: December 2003
Condition: Good
 Cardboard Box. Good condition.