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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
Horsepower Calculator
Fearns Calculators
England
Plastic
est. 1960's
Dia. = 11.2 cm
Gear Motor Industry
Notes:
"Single sided, calculates horsepower using R.P.M., Torque, Load lbs., "
Image 1
