Aristo 10172 Borsig Compressor Rule

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Country of manufacture: Germany,            Date of manufacture: ____
Overall length: 16.8 cm,          Width: 3.8 cm,           Weight: 28.5 gms.
Materials: All plastic, single piece
Cursor: 2.0 X 4.5 X 0.6 cms; all plastic; lines = Single hairline on each side
Scales: 10
Front: temp °C, ata NH₃, ata CO₂, ata F₁₂, ata F₂₂, temp °F
Back: Vaporization temp, KWh/1000 kcal required at Condensation temps of +20°C, +30°C, and +40°C,
Gauge Marks: [       ]
Condition: C3 (Very Minimal signs of use)
Came with: Original brown leather pocket slipcase

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