Gilson 8 Binary

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Country of manufacture: USA,            Date of manufacture: ____
Diameter: 21.1 cm,      Weight: 140.5 gms
Materials: painted aluminum
Cursor: two on front, one on back
Scales: 23
Front: C, CI, A, K, L, four LL scales, A(binary) Fractions, Drill and Thread, Millimeter conversions
Back: Degrees, Sines, Tangents, Degrees, Sines, Tangents, Degrees, Sines, Tangents, fraction conversions
Gauge Marks: [π, π/4, e ]
Condition: C4-C5 (Minimal to normal signs of use)
Came with: nothing

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