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Vintage Italy Ad Aluminum Circular Slide Rule - Electrical Engineering

$ 13.19

Availability: 69 in stock
  • Time Period Manufactured: 1930-Now
  • Modified Item: No
  • Condition: some very small scratches
  • Country/Region of Manufacture: Italy
  • Featured Refinements: Circular Slide Rule

    Description

    Vintage Italy Ad Aluminum Circular Slide Rule  Electrical Engineering
    Ruler for calculating the current absorbed by three-phase asynchronous motors, the section of the cables, the voltage drop AV, in the cables laid, the real power Q ideal for rephasing the active power P from cos
    φ to cos
    φ1e by converting hp into kw and
    vice versa.
    It was made in the Italy in 1980s.
    Made of Aluminum.
    Very good condition - Some Small Scratches.
    Size :4
    " diameter
    International Shipping :9$