Lafayette F-681 Pocket Deci Log (same as Lafayette 99-7099)

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Country of manufacture: Japan (rebranded Relay/Ricoh?),            Date of manufacture: 1963 (d.c. L.K-2)
Overall length: 17.1 cm,          Width: 3.6 cm,           Weight: 39.4 gms
Materials: Celluloid laminate over bamboo, metal end braces, adjustable
Cursor: 2.4 X 4.4 X 0.8 cms; all plastic, adjustable; lines = single hairline, front and back
Scales: 24, no extensions
Front: LL-1, LL-2, LL-3, DF [CF, CIF, CI, C] D, LL3, LL2, LL1
Back: LL-0, L, K, A [B, S, T, C] D, DI, P, LL0
Gauge Marks: [π, e, 1/e, C, ρ^o ]
Condition: C3 (Very minimal signs of use)
Came with: Brown leather pocket case

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