Pickett Model 4 Deci-Log Log Vector Hyperbolic

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Country of manufacture: USA,            Date of manufacture: ____
Overall length: 30.9 cm,          Width: 5.2 cm,           Weight: 166.0 gms
Materials: magnesium stators and slide, aluminum end braces, adjustable
Cursor: 3.1 X 6.1 X 0.8 cms; aluminum runners holding plastic lens; lines = single line front and back
Scales: 30
Front: ∛, ∛, ∛, DF [ CF, Th, Sh, Sh, CI, C ] D, DI, √, √
Back: 1/N₁, 1/N₂, 1/N₃, 1/N₄, DF [ CF, T, ST, S, CI, C ] D, N₁, N₂, N₃, N₄
Gauge Marks: [ π, e, //, /, 785 ]
Condition: C4-C5 (minimal to normal signs of use)
Came with: Original dark brown plastic case marked, "Pickett & Eckel, Inc", manual

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