Mear Helical Spring Calculator

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Country of manufacture: England,            Date of manufacture: ____
Diameter: 19.5 cm,      Weight: 198.3 gms
Materials: all plastic
Scales: numerous, specialty
Front
     Outer Disk: Load, Mean Diameter of Coil, Correction Factor for Round Wire, Spring Index, Rectangular Springs - Ratio of Sides, Correction Factor Rectangular Springs
     Inner Disk: Diameter of Wire or Radial Width for Rectangular Wire, Diameter of Wire or Axial Height for Rectangular Wire, Spring Index
     Cursor: Stress, Correction Factor, Instructions
Back
     Outer Disk: Load, Mean Diameter of Coil, Rectangular Section Springs - Ratio of Sides, Rectangular Spring Factor
     Inner Disk: Diameter of Wire or length of side for square wire, Number of Coils, Table of Std. Wire Gauges
     Cursor: Deflection, Rate Indicator, Modulus of Rigidity Round Wire Springs, Modulus of Rigidity Square Wire Springs, Instructions
Condition: C0 (Mint w/all extras in mint condition)
Came with: Red plastic slipcase w/snap closure, instruction booklet

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