Manufacturer: Aristo
Country of Manufacture: Germany
Type: 829 Multi-Rietz
Number: HFF04
Date of Manufacture: 1966
Scales: (Front) cm// P, A [B, T, ST, S, C] D, DI ins
Scales: (Back) K, DF [CF, CIF, CI, C] D, L
Number of Scales: 17
Gauge Points: π, p', p''
Slide Rule made from: Plastic
Cursor made from: Plastic, slightly magnifying
Cursor Lines: 4 front (including PS, kW), 2 back
Overall Length of Rule: 16.9 cm
Length of Scales: 12.5 cm + 1.1 cm extension
Width: 3.8 cm
Depth: 0.3 cm
Weight: 35 gms
Acquired from: Friedholm Kriegs
Date: June 2002
Condition: Good
 Leather sheath.  Good condition