Fearns Inertia Calculator

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Country of manufacture: England,            Date of manufacture: _____
Diameter: 19.2 cm,      Weight: 149.2 gms
Materials: all plastic
Scales: 11, specialty
Front:
     Outer Disk: Inertia lbs/ft², acceleration time secs, Kinetic Energy ft-lbs, Diameter inside, Total Revs, Time secs,
     Inner Disk: Torque lb-ft, R.P.M., length inside, Change in R.P.M. for time, change in R.P.M. for total revs
Back:Instructions for Use
Gauge Marks: [      ]
Condition: C2 (Mint but no manual)
Came with: Black plastic case

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