Pickett 1011-ES Trig Exponential Speed Rule

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Country of manufacture: USA,            Date of manufacture: ____
Overall length: 31.0 cm,          Width: 3.2 cm,           Weight: 81.3 gms
Materials: all aluminum, adjustable
Cursor: 2.9 X 4.4 X 0.8 cms; all plastic, slightly magnifying, adjustable; lines = single line, front and back
Scales: 18
Front:Ln, DF [ CF, CIF, CI, C ] D, DI, L
Back: K, A [ B, ST, T, S, C ] D, DI
Gauge Marks: [ π, e, //, /, 785, R (5730) ]
Condition: C4 (Minimal Signs of Use)
Came with: Original black leather case

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