Lutz 151 P (rebranded Relay 151)
Country of manufacture: Japan, Date of manufacture: 1967 (dc=P.S-3)
Overall length: 35.5 cm, Width: 4.7 cm, Weight: 143.2 gms
Materials: Celluloid laminate over bamboo, metal end braces, adjustable
Cursor: 3.0 X 5.7 X 1.0 cms; all plastic, adjustable; lines = single line, 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', ρo ]
Condition: C2-C3 (Mint to very minimal signs of use)
Came with: Original brown leather case