Graphoplex Stack Loss Pocket Rule

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Country of manufacture: France,            Date of manufacture: ____
Overall length: 15.1 cm,          Width: 3.2 cm,           Weight: 29.7 gms
Materials: all plastic
Cursor: 2.5 X 3.6 X 0.4 cms; metal runners holding plastic lens; lines = one on front
Scales: 11, specialized, except for the C/D combo
Front: 5.25 in. // Gross Loss %, CO₂% [ °F, °C, C ] D, Net Loss %
Back: blank, except for the label 'BP' and the Graphoplex logo
Slide Back: [Excess Air %, CO₂%, Oxy.%]
Gauge Marks: [π ]
Condition: C4-C5 (Minimal to normal signs of use)
Came with: Original leather pocket slipcase, labeled 'BP'

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