Mear Ducting Calculator for Heating, Ventilation, Penumatic Handling, etc.

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Country of manufacture: England,            Date of manufacture: ____
Diameter: 19.5 cm,      Weight: 181.0 gms
Materials: all plastic
Scales: numerous, specialty
Front
     Outer Disk: Velocity of Air in Duct, Pressure Loss, Heat Loss From Duct/Air Temp Drop in Duct, Length of Duct, Heat Requirements, Warm Air Flow
     Inner Disk: Velocity Head Loss in Fittings, Air Temp, Instructions, Air Velocity in Duct, Diameter of Duct, Instructions, Temperature Difference, Contingencies Percentage, Instructions
Back:
     Outer Disk: Air Flow, Velocity, Pressure loss
     Inner Disk: Duct Size, Air Temp, Instructions, Duct Size, Length of Duct, Actual Air Temp, Instructions
Condition: C0 (Mint w/all accessories)
Came with: Green plastic slipcase w/snap closure, manual

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