Relay 150 Log Log Decitrig Labeled TL-214

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Country of manufacture: Japan,            Date of manufacture: 1959
Overall length: 32.4 cm,          Width: 4.0 cm,           Weight: 114.0 gms
Materials: Celluloid laminate over bamboo, metal end braces, adjustable
Cursor: 3.2 X 5.1 X 1.0 cms; all plastic, adjustable; lines = single line, front and back
Scales: 21, no extensions
Front: L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2
Back: LL0, LL00, A [ B, K, CI, C ] D, S, ST, T
Gauge Marks: [ π, ρ'', ρ', e ]
Condition: C5-C6 (signs of normal to heavy use, previous owner wrote on rule scale with marker)
Came with: nothing

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