Pickett Model B1 Powerlog Dual Base Exponential

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Country of manufacture: Japan,            Date of manufacture: ____
Overall length: 35.3 cm,          Width: 4.6 cm,           Weight: 148.6 gms
Materials: Celluloid laminate over bamboo, plated metal end braces, adjustable
Cursor: 3.0 X 5.9 X 1.2 cms; plastic runners, metal framed plastic lens, adjustable; lines = single line front and back
Scales: 25, extensions on A, B, C, D
Front: LL1, LL2, LL3, DF [CF, CIF, CI, C] D, LL3, LL2, LL1
Back: LL0, L, K, A [B, S, ST, T, C] D, √1, √2, LL0
Gauge Marks: [ π, C, e, 1/e, ρ'', ρ', ρ^o ]
Condition: C2 (Mint, but no manual or case
Came with: nothing

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