K&E 4090-3 Log Log Trig Duplex

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Country of manufacture: USA,            Date of manufacture: ____, Ser. No.: 469951
Overall length: 31.9 cm,          Width: 4.0 cm,           Weight: 102.5 gms
Materials: Celluloid laminate over mahogany, metal end braces, adjustable
Cursor: 3.0 X 5.0 X 1.1 cms; plastic runners, metal framed glass lend, adjustable; lines = single hairline, front and back
Scales: 18, no extensions
Front: L, LL1, DF [CF, CIF, CI, C] D, LL3, LL2
Back: LL0, A [B, K, CI] T, S2, S1
Gauge Marks: [π, e, //, /, 785 ]
Condition: C5-C6 (signs of normal to heavy use, prior owner engraved name on stator)
Came with: Original brown leather case, stiffened with age and exposure to something

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