Olson TL-473

---

Country of manufacture: Japan (Ricoh/Relay 151),            Date of manufacture: 1968 (d.c. = O.S.-3)
Overall length: 35.2 cm,          Width: 4.7 cm,           Weight: 143.7 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, C, e, 1/e, ρ'', ρ', ρ^o ]
Condition: C3 (Very minimal signs of use)
Came with: Original brown leather case, labeled "Olson"

---

---