Manufacturer: Aristo
Country of Manufacture: Germany
Type: Projection Slide Rule StudioLog 169
Date of Manufacture:  
Scales: (Front) ST, T1, T2, DF [CF, CIF, S, CI, C] D, DI, P, S
Scales: (Back) LL0, LL01, LL02, LL03 A, [B, BI, K, L, CI, C] D, LL3, LL2, LL1, LL0
Number of Scales: 29
Gauge Points: π, e, p', p"
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 3 (including PS)
Overall Length of Rule: 24.8 cm
Length of Scales: 19.9 cm + 2.3 cm ext
Width: 17.0 cm
Depth: 1.3 cm
Acquired from: Dieter Hommel
Date: October 2010
Condition: Good