Manufacturer: UTO
Country of Manufacture: Denmark
Type: 631U
Date of Manufacture:  
Scales: (Front) LL01, LL02, LL03, DF [CF, CIF, CI, C] D, LL3, LL2, LL1
Scales: (Back) L, K, A [B, T, ST, S] D, DI, P, S
Number of Scales: 23
Gauge Points: π, e, s, s'
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 3 front, 3 back
Overall Length of Rule: 17.7 cm
Length of Scales: 12.5 cm
Width: 4.2 cm
Depth: 0.4 cm
Acquired from: IM2003 Breukelen
Date: Sep 2003
Condition: Good
 Leather sheath. Good condition
 Gift from IM 2003 Breukelen/Amsterdam