Manufacturer: Aristo
Country of Manufacture: Germany
Type: Projection Slide Rule Aristo TriLog 108
Date of Manufacture:  
Scales: (Front) T1, T2, A [B, BI, CI, C] D, P, S, ST
Scales: (Back) LL1, LL2, LL3, DF [CF, CIF, CI, C] D, L, K
Number of Scales: 22
Gauge Points: π, e, p', p"
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 4 front (inc PS and kW), 2 back
Overall Length of Rule: 24.4 cm
Length of Scales: 20.0 cm
Width: 17.0 cm
Depth: 1.3 cm
Acquired from: Susi Hakenstaller-Mayr
Date: April 2006
Condition: Good
 Cardboard Box.  Good condition