Bybee Voltage Drop Calculator for Distributed Impedance Loads

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Country of manufacture: US,            Date of manufacture: >= 1982
Diameter: 19.2 cm,          Thickness: 0.2 cm,           Weight: 58.0 gms
Materials: All plastic;           Cursor: all plastic, front side only, scale for Load Power Factor (%)
Scales:14
Front: Outer disk: Maximum Conductor Impedance (ohms/100 ft) Z, Conductor Selection Copper, Conductior Selection Aluminum, Load Current (Amperes) I
           Middle disk: Distance to Load or Span (feet), Number of Loads Between Source and End of Run N₂
           Inner disk: Number of Loads Between Source and End of Run N₁, Voltage Drop at End of Run (%) D
           Cursor: Source Voltage (volts) V
Back: Tables, Examples, Notes
Gauge Marks: [       ]
Condition: C1 (Mint, with all accessories not necessarily in mint condition)
Came with: Plastic slipcase and instruction booklet

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