Russian Leningrad 5161-72 r. 1977

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Country of manufacture: USSR,            Date of manufacture: 1977
Overall length: 31.9 cm,          Width: 4.0 cm,           Weight: 79.3 gms
Materials: plastic laminate over wood, plastic end braces glued onto front and back slides of rule
Cursor: 3.4 X 5.1 X 1.1 cms; all plastic; lines = three lines on front, one on back
Scales: 19, no extensions
Front: L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2
Back: K, A [ B, S, ST, T, C ] D, DI
Gauge Marks: [ π, C, e, ρ'', ρ', ρ^o ]
Condition: C4 (Signs of minimal use)
Came with: light brown plastic sheath

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