KLPZ 5161-72 r. 1978

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Country of manufacture: USSR,            Date of manufacture: 1978
Overall length: 34.9 cm,          Width: 4.8 cm,           Weight: 106.6 gms
Materials: All plastic, plastic end braces glued onto both back and front of rule
Cursor: 3.8 X 6.1 X 0.7 cms; all plastic; lines = single line, front and back
Scales: 14
Front: T1, K, A [ B, CIF, CI, C ] D, ST, S
Back: LL3, LL2, LL1, L [ instructions ] further instructions, numeric and physical constants
Gauge Marks: [π, C, ρ'', ρ', C1, e ]
Condition: C6-C7 (prior owner apparently tried to clean rule with some type of solvent, leaving it somewhat 'tacky'
Came with: Original white plastic sheath

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