Datalizer Loren Cook Company Duct Designer and Fan Law Calculator

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Country of manufacture: USA,            Date of manufacture: >= 1994
Cardboard Backing Dimensions: 21.6 X 28.0 cm,       Outer Disk Diameter: 18.7 cm,       Weight: 76.4 gms
Materials: Coated cardboard disks on coated carboard backing.
Cursor: single, plastic; lines = single, front only
Scales: specialized
Front: [Air Quantity - CFM ] Friction Loss [ Duct Diameter ] [ Air Quantity - CFM ] Velocity - FPM, Rectangular Duct Dimensions - Inches, Instructions
Back: Outer Disk: Horsepower, 1st Inner Disk: Static Pressure, 2nd Inner Disk: CFM, 3rd Inner Disk: RPM, Instructions
Condition: C3 (Very minimal signs of use)
Came with: nothing

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