K&E 4082-3 Log Log Duplex Decitrig with F Scale

Country of manufacture: USA,            Date of manufacture: ____, Ser. No. 866797
Overall length: 31.8 cm,          Width: 4.1 cm,           Weight: 90.9 gms
Materials: Celluloid laminate over mahogany, metal end braces, adjustable
Cursor: 3.0 X 5.1 X 1.1 cms; plastic runners, metal framed glass lens, 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, F
Gauge Marks: [π, e, //, /, 785 ]
Condition: C4-C5 (minimal to normal signs of use)
Came with: Brown leather case marked with prior owner's name and 'USN'