SIC 1510 Log Log DecaTrig (same scale set /arrangement as Relay 151; different cursor)

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Country of manufacture: Japan,            Date of manufacture: 1961,    Serial No., 31029
Overall length: 35.4 cm,          Width: 4.5 cm,           Weight: 142.9 gms
Materials: plastic on bamboo, adjustable metal end pieces
Cursor: 2.9 X 5.8 X 1.0 cms; plastic w/metal tension screws; lines = 1; scales annotated on cursor window
Scales: 25, extensions
Front: LL1, LL2, LL3, DF [CF, CIF, CI, C] D, LL3, LL2, LL1
Back: LL0L, K, A [B, S, ST, T, C] D, DI, P, LL0
Gauge Marks: [ π, C, e, 1/e, ρ^o ]
Condition: C4 (minimal signs of use)
Came with: leather case

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