Manufacturer: Organizational Technology
Country of Manufacture: Russia
Type: LSLD-250-19
Date of Manufacture: After 1971
Scales: (Front) K, A [B, S, ST, T, C] D, DI
Scales: (Back) L, LL1, DF [ CF, CIF, CI, C] D, LL3, LL2
Number of Scales: 19
Gauge Points: π, e, C, p'', p', R
Slide Rule made from: Boxwood and Plastic
Cursor made from: Plastic
Cursor Lines: 1 front, 3 back
Overall Length of Rule: 31.8 cm
Length of Scales: 25.0 cm
Width: 3.8 cm
Depth: 0.7 cm
Acquired from: Evgen Schevenko
Date: Sept 2003
Condition: Good
 Plastc sheath.  Good condition.
 One page of instructions. (Russian).  Medium condition