Graphoplex Pierre Gy's Sampling Slide Rule

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Country of manufacture: France,            Date of manufacture: ____
Overall length: 18.5 cm,          Width: 3.2 cm,           Weight: 35.9 gms
Materials: alll plastic, closed form simplex
Cursor: 3.1 X 3.6 X 0.5 cms; all plastic, slightly magnifying; lines = four hairlines on front, one set into body on back
Scales: 8
Front: 17 cm // Assay: Mineral %, C [ s, d ] M, coal ash %, gold g/t
Back: Instructions for Use
Slide Back & Well: Blank
Gauge Marks: [ ]
Condition: C2 (Mint but only case)
Came with: Original leather pocket slipcase

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