Russian TU 250-14P

Country of manufacture: USSR,            Date of manufacture: 1979
Overall length: 30.1 cm,          Width: 5.0 cm,           Weight: 103.6 gms
Materials: Closed body, all plastic
Cursor: 4.9 X 4.9 X 0.7 cms; all plastic, slightly magnifying; lines = Five lines, front only
Scales: 15, extensions on A, B, CI, BI, C, D
Front: 27 cms // K, A [ B, BI, CI, C ] D, S, ST, T3, L
Slide Back: [ LL1,LL2,LL3 ]
Back: blank
Gauge Marks: [ π, C, C1, e, ρ'', ρ' ]
Condition: C4-C5 (Minimal to normal signs of use)
Came with: nothing