Lafayette F-428 Log Log Duplex Decitrig (same as Lafayette 99-7055)

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Country of manufacture: Japan (rebranded Relay/Ricoh 151),            Date of manufacture: 1961
Overall length: 35.6 cm,          Width: 4.6 cm,           Weight: 141.3 gms
Materials: Celluloid laminate over bamboo, metal end braces, adjustable
Cursor: 3.2 X 5.9 X 1.0 cms; all plastic, adjustable; lines = single hairline, front and back
Scales: 25, extensions on A, B, C, D
Front: LL-1, LL-2, LL-3, DF [CF, CIF, CI, C] D, LL3, LL2, LL1
Back: LL-0, L, K, A [B, S, ST, T, C] D, DI, P, LL0
Gauge Marks: [π, e, 1/e, C, ρ^'', ρ^', ρ^o, ρ_,, ]
Condition: C4-C5 (Minimal to normal signs of use)
Came with: Brown leather case

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