BRL T.51 Duplex Janus Series

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Country of manufacture: England,            Date of manufacture: ____
Overall length: 33.1 cm,          Width: 4.3 cm,           Weight: 80.9 gms.
Materials: PVC body, plastic, glued-on endbraces
Cursor: 3.5 X 5.4 X 0.7 cms; plastic and chrome-plated metal, adjustable; lines = Single hairline, front and back
Scales: 20, no extensions
Front: L, LL1, DF [CF, CIF, CI, C] D, LL3, LL2
Back: LL0, LL00, A [B, T, ST, S] D, DI, K
Gauge Marks: [ π, ρ(6366), ρ', ρ'', C, C1, e, '(1667), ''(2778) ]
Condition: C4-C5 (Minimal to normal signs of use)
Came with: nothing

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