Manufacturer: Aristo
Country of Manufacture: Germany
Type: Rietz 99
Number: 2LT T02
Date of Manufacture: 1974
Scales: (Front) cms/ K, A [B, BI, CI, C] D, L
Scales: (Back) S, ST, T
Number of Scales: 11
Gauge Points: π,C, p'', p', C1
Slide Rule made from: Plastic
Cursor made from: Plastic, slightly magnifying
Cursor Lines: 4
Overall Length of Rule: 31.0 cm
Length of Scales: 25.0 cm + 2.3 cm extension
Width: 4.0 cm
Depth: 0.7 cm
Acquired from: Alexander Nuber
Date: August 2004
Condition: Good
 Data card, 1364
 Instructions (German). Good condition