Perrygraf Westinghouse Power chek✓Up Calculator
Country of manufacture: USA, Date of manufacture: ____
Overall length: 25.6 cm, Width: 15.3 cm.,
Materials: Cardboard shell with cardboard slide
Scales: 14
  Front: Volts [ Amperes, KVA ] Factor (System) [ KVA, KW ] Power Factor
  Back: No. of Conductors [ Insulation Type ] Wire Size [ Amperes per Condiuctor ] Temperature Correction Factor [ Ampered Capacity at Room Temp ] Amperes
Condition: C3 (Signs of Very Minimal Use)
Came with: Paper Sleeve labeled, "Power chek✓UP calculator and wire reference chart"