Manufacturer: Deeva
Country of Manufacture: India
Type: 720 Polylog
Date of Manufacture:  
Scales: (Front) LL00, L, K, A [B, S, ST, T, C] D, DI, P, LL0
Scales: (Back) LL01, LL02, LL03, DF [CF, CIF, CI, C] D, LL3, LL2, LL1
Number of Scales: 25
Gauge Points: π, e, p
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 4 front, 3 back
Overall Length of Rule: 29.4 cm
Length of Scales: 25.0 cm + 2.5 cm ext
Width: 4.8 cm
Depth: 0.4 cm
Acquired from: Sphere Research
Date: Jan 2004
Condition: Good
 Plastic case. Good condition.
 An exact copy of a Diwa 720