Manufacturer: Aristo
Country of Manufacture: Germany
Type: Simplex 812
Number: 516
Date of Manufacture: 1951
Scales: (Front) ins/ A [B,C] D
Scales: (Back) [S, L, T]
Number of Scales: 7
Gauge Points: π, C, C1, p', p"
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 1
Overall Length of Rule: 15.5 cm
Length of Scales: 12.5 cm
Width: 3.2 cm
Depth: 0.4 cm
Acquired from: Jackie Gale
Date: Feb 2004
Condition: Good
 Leather sheath. Good condition