Graphoplex 641 System Log Log S

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Country of manufacture: France,            Date of manufacture: ____
Overall length: 29.4 cm,          Width: 5.7 cm,           Weight: 114.1 gms
Materials: alll plastic
Cursor: 4.2 X 5.7 X 0.7 cms; all plastic, slightly magnifying; lines = four hairlines.
Scales: 15, extensions on A, B, C, CI, D
Front: 27 cm // L, K, P, SRT, A [ B, T (<45°), S, CI, C ] D, LL3, LL2, LL1
Back: blank
Slide Back: blank
Gauge Marks: [π, e, ρ (5730) ]
Condition: C0 (Mint with all extras)
Came with: Original brown leather case, instruction booklet (French), Table of Correspondences insert

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