IWA 0628, Control Valve Calculations

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Country of manufacture: Germany,            Date of manufacture: ___
Overall length: 28.1 cm,          Width: 4.1 cm,          Weight: 55.3 gms
Materials: all plastic
Cursor: 4.0 X 4.8 X 0.8 cms; all plastic, slightlly magnifying; lines = see expanded view, below
Scales: 10, specialized
Front:
Back:
Condition: C2-C3 (Mint to Very Minimal Signs of Use; no manual)
Came with: Original plastic slipcase

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