W. H. Smith Log-Log Trig Duplex
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Country of manufacture: England,            Date of manufacture: ____
Overall length: 32.7 cm,          Width: 5.2 cm,           Weight: 75.7 gms
Materals: all plastic (PVC), plastic end braces glued onto back of rule
Cursor: 3.5 X 5.0 X 0.6 cms; all plastic, slightly magnifying; lines = two on front only
Scales: 11, extensions on A, B, C, CI, D
Front: L, LL2, LL3, A [ B, CI, C ] D, S, T, ST
Back: Blank
Condition: C2-C3 (Mint to very minimal signs of use)
Came with: Two-piece blue plastic case

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