Pickett 4-ES Dual Base Log Log Reciprocal Scale (Vector Hyperbolic)

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Country of manufacture: USA,            Date of manufacture: ____
Overall length: 30.9 cm,          Width: 5.2 cm,           Weight: 130.7 gms
Materials: aluminum stators, slide, end braces, adjustable
Cursor: 3.1 X 6.0 X 0.5 cms; all plastic, adjustable; lines = single line, front and back
Scales: 30, no extensions
Front: ∛, ∛, ∛, DF [ CF, T<45°, T>45°, ST, S, C ] D, DI, √, √
Back: LL1 (+.00D/-.00D), LL2 (+.0D/-.0D), DF/M [ CF/M, TH, SH, L, CI, C ] D, LL3 (+.D/-.D), LL4 (+D./-D.)
Gauge Marks: [ π, e, //, /, 785, R ]
Condition: C3-C4 (Very Minimal to Minimal signs of use)
Came with: Orginal light brown leather case

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