Manufacturer: Graphoplex
Country of Manufacture: France
Type: 690
Date of Manufacture: 1962+
Scales: (Front) LL01, LL02, LL03, DF [CF, CIF, CI, C] D, LL3, LL2, LL1
Scales: (Back) L, P, AI, A [B, T1, ST, S] D, T2, DI, K
Number of Scales: 24
Gauge Points: π, p'', p', d, e
Slide Rule made from: Plastic
Cursor made from: Plastic slightly magnifying
Cursor Lines: 3 front, 1 back
Overall Length of Rule: 33.8 cm
Length of Scales: 25 cm
Width: 4.6 cm
Depth: 0.5 cm
Weight: 123 gm
Acquired from: Asif Azhar
Date: Dec 2000
Condition: Good
 Cloth case. Medium condition
 Very high gloss